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< h1 > PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣨FAQ<EFBFBD> <EFBFBD> < / h1 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> 2003 <EFBFBD> <EFBFBD> 01 <EFBFBD> <EFBFBD> 06 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ 22:27:35 CST
< p > Ŀǰά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> Bruce Momjian (< a href = "mailto:pgman@candle.pha.pa.us" > pgman@candle.pha.pa.us< / a > )< br / >
<EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ΰƽ <EFBFBD> <EFBFBD> laser@pgsqldb.com <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> °汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://www.postgresql.org/files/documentation/faqs/FAQ.html" > http://www.postgresql.org/files/documentation/faqs/FAQ.html< / a > <EFBFBD> 鿴<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳƽ̨ <EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://www.postgresql.org/docs/faq/" > http://www.postgresql.org/docs/faq/< / a > <EFBFBD> <EFBFBD> <EFBFBD> ش<EFBFBD> <EFBFBD> <EFBFBD> < br / >
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< hr / >
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< h2 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
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< a href = "#1.1" > 1.1< / a > ) PostgreSQL <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#1.2" > 1.2< / a > ) PostgreSQL <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> ʲô? < br / >
< a href = "#1.3" > 1.3< / a > ) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô Unix ƽ̨ <EFBFBD> ϣ<EFBFBD> < br / >
< a href = "#1.4" > 1.4< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> õķ<EFBFBD> Unix ƽ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> < br / >
< a href = "#1.5" > 1.5< / a > ) <EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ <EFBFBD> PostgreSQL<EFBFBD> <EFBFBD> < br / >
< a href = "#1.6" > 1.6< / a > ) <EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֣ <EFBFBD> < br / >
< a href = "#1.7" > 1.7< / a > ) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> µİ汾<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#1.8" > 1.8< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#1.9" > 1.9< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> BUG <EFBFBD> <EFBFBD> ȱʧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> < br / >
< a href = "#1.10" > 1.10< / a > ) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѧϰ SQL <EFBFBD> <EFBFBD> < br / >
< a href = "#1.11" > 1.11< / a > ) PostgreSQL <EFBFBD> <EFBFBD> Y2K <EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#1.12" > 1.12< / a > ) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 飿 < br / >
< a href = "#1.13" > 1.13< / a > ) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύһ<EFBFBD> <EFBFBD> BUG <EFBFBD> <EFBFBD> <EFBFBD> 棿 < br / >
< a href = "#1.14" > 1.14< / a > ) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD> < br / >
< a href = "#1.15" > 1.15< / a > ) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD>
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< h2 > <EFBFBD> û<EFBFBD> <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
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< a href = "#2.1" > 2.1< / a > ) <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ODBC <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> < br / >
< a href = "#2.2" > 2.2< / a > ) <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ߿<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Web ҳ<EFBFBD> 棿 < br / >
< a href = "#2.3" > 2.3< / a > ) PostgreSQL ӵ<EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#2.4" > 2.4< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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< h2 > ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
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< a href = "#3.1" > 3.1< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܰ <EFBFBD> PostgreSQL װ<EFBFBD> <EFBFBD> /usr/local/pgsql <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵط<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#3.2" > 3.2< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > Bad System Call< / i > <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Core Dumped <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#3.3" > 3.3< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > IpcMemoryCreate< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#3.4" > 3.4< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > IpcSemaphoreCreate< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#3.5" > 3.5< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ο<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> < br / >
< a href = "#3.6" > 3.6< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> ø<EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܣ<EFBFBD> < br / >
< a href = "#3.7" > 3.7< / a > ) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> < br / >
< a href = "#3.8" > 3.8< / a > ) Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> ¼ʱ<EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> Sorry, too many clients<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> < br / >
< a href = "#3.9" > 3.9< / a > ) pgsql_tmp Ŀ¼<EFBFBD> ﶼ<EFBFBD> <EFBFBD> Щʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#3.10" > 3.10< / a > ) ΪʲôҪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 汾ʱ<EFBFBD> <EFBFBD> dump <EFBFBD> <EFBFBD> restore <EFBFBD> <EFBFBD>
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< h2 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
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< a href = "#4.1" > 4.1< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> α<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> α<EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#4.2" > 4.2< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> < br / >
< a href = "#4.3" > 4.3< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λ<EFBFBD> ȡһ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > psql< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.4" > 4.4< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> һ<EFBFBD> У<EFBFBD> < br / >
< a href = "#4.5" > 4.5< / a > ) һ<EFBFBD> У<EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ<EFBFBD> <EFBFBD> Ƕ<EFBFBD> <EFBFBD> ٣<EFBFBD> < br / >
< a href = "#4.6" > 4.6< / a > ) <EFBFBD> 洢һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͵<EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ٴ<EFBFBD> <EFBFBD> ̿ < br / >
< a href = "#4.7" > 4.7< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> β鿴<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> 壿 < br / >
< a href = "#4.8" > 4.8< / a > ) <EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#4.9" > 4.9< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> ܿ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> ģ<EFBFBD> < br / >
< a href = "#4.10" > 4.10< / a > ) R-tree <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#4.11" > 4.11< / a > ) ʲô<EFBFBD> ǻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> Genetic Query Optimization<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.12" > 4.12< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> Сд<EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> ң<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> Сд<EFBFBD> ز<EFBFBD> <EFBFBD> ң<EFBFBD> < br / >
< a href = "#4.13" > 4.13< / a > ) <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> <EFBFBD> Ƿ<EFBFBD> Ϊ NULL<EFBFBD> <EFBFBD> < br / >
< a href = "#4.14" > 4.14< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> < br / >
< a href = "#4.15.1" > 4.15.1< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> /<EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> < br / >
< a href = "#4.15.2" > 4.15.2< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> кŵ<EFBFBD> ֵ <EFBFBD> <EFBFBD> < br / >
< a href = "#4.15.3" > 4.15.3< / a > ) ʹ<EFBFBD> <EFBFBD> currval() <EFBFBD> <EFBFBD> nextval() <EFBFBD> ᵼ<EFBFBD> º<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> race condition<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.15.4" > 4.15.4< / a > ) Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 쳣<EFBFBD> <EFBFBD> ֹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> أ<EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> ֶ <EFBFBD> ȡֵ <EFBFBD> д<EFBFBD> <EFBFBD> ڼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> أ<EFBFBD> < br / >
< a href = "#4.16" > 4.16< / a > ) ʲô<EFBFBD> <EFBFBD> OID<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> TID <EFBFBD> <EFBFBD> < br / >
< a href = "#4.17" > 4.17< / a > ) PostgreSQL ʹ<EFBFBD> õ<EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < br / >
< a href = "#4.18" > 4.18< / a > ) Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > ERROR: Memory exhausted in AllocSetAlloc()< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.19" > 4.19< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> PostgreSQL <EFBFBD> İ汾<EFBFBD> <EFBFBD> < br / >
< a href = "#4.20" > 4.20< / a > ) Ϊʲô<EFBFBD> ҵĴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ´<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > invalid large obj descriptor<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <EFBFBD> Ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / i > <EFBFBD> <EFBFBD> < br / >
< a href = "#4.21" > 4.21< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ȱʡֵ <EFBFBD> ǵ<EFBFBD> ǰʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> < br / >
< a href = "#4.22" > 4.22< / a > ) Ϊʲôʹ<EFBFBD> <EFBFBD> < tt > IN< / tt > <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.23" > 4.23< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> ν<EFBFBD> <EFBFBD> <EFBFBD> outer join <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.24" > 4.24< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> 漰<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> < br / >
< a href = "#4.25" > 4.25< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> л<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> < br / >
< a href = "#4.26" > 4.26< / a > ) Ϊʲô<EFBFBD> <EFBFBD> PL/PgSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> в<EFBFBD> <EFBFBD> ܿ <EFBFBD> <EFBFBD> ش<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#4.27" > 4.27< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݸ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD> < br / >
< a href = "#4.28" > 4.28< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݼ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD>
< center >
< h2 > <EFBFBD> <EFBFBD> չ PostgreSQL< / h2 >
< / center >
< a href = "#5.1" > 5.1< / a > ) <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 庯<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > psql< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> ᵼ<EFBFBD> <EFBFBD> core dump<EFBFBD> <EFBFBD> < br / >
< a href = "#5.2" > 5.2< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܸ <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩͦ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͺͺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#5.3" > 5.3< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> дһ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¼<EFBFBD> <EFBFBD> C <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< a href = "#5.4" > 5.4< / a > ) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> Դ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> ±<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> п<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı䣿 < br / >
< hr / >
< center >
< h2 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< h4 > < a id = "1.1" name = "1.1" > < / a > 1.1) PostgreSQL <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > Post-Gres-Q-L< / i > < i > <EFBFBD> <EFBFBD> < / i >
< p > PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> DBMS <EFBFBD> <EFBFBD> <EFBFBD> о<EFBFBD> ԭ<EFBFBD> <EFBFBD> POSTGRES <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> 档PostgreSQL <EFBFBD> ڱ<EFBFBD> <EFBFBD> <EFBFBD> POSTGRES <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> ͺͷḻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͵Ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> չ<EFBFBD> ˵<EFBFBD> SQL <EFBFBD> Ӽ<EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԭ<EFBFBD> ȵ<EFBFBD> PostQuel <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> ԡ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɵIJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> 붼<EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> á<EFBFBD> < / p >
< p > PostgreSQL <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɲμ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԱС<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> Ŀǰ<EFBFBD> <EFBFBD> Э<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Marc G. Fournier <EFBFBD> <EFBFBD> < a href = "mailto:scrappy@postgreSQL.org" > scrappy@postgreSQL.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> μ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> μ<EFBFBD> 1.6<EFBFBD> ڣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڸ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> п<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > PostgreSQL 1.01 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Andrew Yu <EFBFBD> <EFBFBD> Jolly Chen<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> ֲ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˴<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ס<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ Postgres<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڼ<EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> Michael Stonebraker <EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> ָ <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> о<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͱ<EFBFBD> <EFBFBD> <EFBFBD> ְ <EFBFBD> <EFBFBD> <EFBFBD> ɵġ<EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Postgres<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 1995 <EFBFBD> ꣬ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SQL <EFBFBD> <EFBFBD> <EFBFBD> ܺ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> Postgres95<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 1996<EFBFBD> <EFBFBD> ĩ<EFBFBD> <EFBFBD> <EFBFBD> Ÿ<EFBFBD> <EFBFBD> <EFBFBD> Ϊ PostgreSQL<EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "1.2" name = "1.2" > < / a > 1.2) PostgreSQL <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> ʲô?< / h4 >
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> ȨԼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< p > PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ< / p >
< p > <EFBFBD> <EFBFBD> PostgreSQL Data Base Management System<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ְ <EFBFBD> Ȩ<EFBFBD> <EFBFBD> c<EFBFBD> <EFBFBD> 1996-2002<EFBFBD> <EFBFBD> PostgreSQL ȫ<EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> ְ <EFBFBD> Ȩ<EFBFBD> <EFBFBD> c<EFBFBD> <EFBFBD> 1994-6 <EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> Portions copyright (c) 1996-2002, PostgreSQL Global Development Group< br / >
<EFBFBD> Portions Copyright (c) 1994-6 Regents of the University of California<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> κ<EFBFBD> Ŀ<EFBFBD> <EFBFBD> ʹ<EFBFBD> ã<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺͷַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> κη<EFBFBD> <EFBFBD> ã<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˶<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֤ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֳ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> п<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> Permission to use, copy, modify, and distribute this software and its documentation for any purpose, without fee, and without a written agreement is hereby granted, provided that the above copyright notice and this paragraph and the following two paragraphs appear in all copies.<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> µĶ<EFBFBD> <EFBFBD> κε<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> ֱ <EFBFBD> ӵģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӵģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӵĻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> Ѿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> ʧ<EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱҲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˡ<EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κα<EFBFBD> ֤ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ijһ<EFBFBD> ض<EFBFBD> <EFBFBD> <EFBFBD> ;<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֤ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ṩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǻ<EFBFBD> <EFBFBD> ڡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǡ<EFBFBD> <EFBFBD> Ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧû<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ṩά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֣ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.<EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> BSD <EFBFBD> <EFBFBD> Ȩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> Դ<EFBFBD> <EFBFBD> Ȩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "1.3" name = "1.3" > < / a > 1.3) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô Unix ƽ̨ <EFBFBD> ϣ<EFBFBD> < / h4 >
< p > һ<EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ִ <EFBFBD> <EFBFBD> <EFBFBD> UNIX <EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> ƽ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ڰ<EFBFBD> װָ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> г<EFBFBD> <EFBFBD> ˷<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> Ե<EFBFBD> ƽ̨ <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "1.4" name = "1.4" > < / a > 1.4) <EFBFBD> <EFBFBD> <EFBFBD> õķ<EFBFBD> Unix ƽ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> libpq C <EFBFBD> ⣬psql<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӿںͿͻ<EFBFBD> <EFBFBD> <EFBFBD> Ӧ<EFBFBD> ó<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> MS Windows ƽ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> ܵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> £<EFBFBD> <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> MS Windows <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> TCP/IP <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֵ <EFBFBD> Unix ƽ̨ <EFBFBD> ϵķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 汾<EFBFBD> а<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> win32.mak <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Win32 libpq <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> psql <EFBFBD> <EFBFBD> PostgreSQL Ҳ<EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> ODBC <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڿ<EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> Cygwin <EFBFBD> <EFBFBD> Cygnus <EFBFBD> <EFBFBD> Unix/NT <EFBFBD> <EFBFBD> ֲ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Windows NT <EFBFBD> <EFBFBD> Win2k <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> See < i > pgsql/doc/FAQ_MSWIN< / i > <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://www.PostgreSQL.org/docs/faq-mswin.html" > http://www.PostgreSQL.org/docs/faq-mswin.html< / a > <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> ֲ <EFBFBD> <EFBFBD> MS Win NT/2000/XP <EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڽ<EFBFBD> <EFBFBD> С<EFBFBD> < / p >
< h4 > < a id = "1.5" name = "1.5" > < / a > 1.5) <EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ <EFBFBD> PostgreSQL<EFBFBD> <EFBFBD> < / h4 >
< p > PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> FTPվ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "ftp://ftp.PostgreSQL.org/pub" > ftp://ftp.PostgreSQL.org/pub< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> վ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Բο<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> վ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "1.6" name = "1.6" > < / a > 1.6) <EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֣ <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> ǣ<EFBFBD> < a href = "mailto:pgsql-general@postgreSQL.org" > pgsql-general@postgreSQL.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⡣Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> Ϊ< / p >
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< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> ȡժҪ<EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "mailto:pgsql-general-digest-request@postgreSQL.org" > pgsql-general-digest-request@postgreSQL.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> < / p >
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ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> ﵽ<EFBFBD> <EFBFBD> Լ 30k <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> ժҪ<EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> ij<EFBFBD> Ա<EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Բμӳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> <EFBFBD> < a href = "mailto:bugs-request@postgreSQL.org" > bugs-request@postgreSQL.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> < / p >
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<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Բμӿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> <EFBFBD> < a href = "mailto:hackers-request@postgreSQL.org" > hackers-request@postgreSQL.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD>
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<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> WWW <EFBFBD> <EFBFBD> ҳ<EFBFBD> ҵ<EFBFBD> <EFBFBD> <EFBFBD>
< blockquote >
< a href = "http://postgresql.org/" > http://postgresql.org/< / a >
< / blockquote >
<EFBFBD> <EFBFBD> EFNet <EFBFBD> ﻹ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> IRC Ƶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> <EFBFBD> #PostgreSQL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> unix <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < tt > irc -c '#PostgreSQL' "$USER" irc.phoenix.net< / tt >
< p > <EFBFBD> <EFBFBD> ҵ֧ <EFBFBD> ֹ <EFBFBD> ˾<EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://www.PostgreSQL.org/users-lounge/commercial-support.html" > http://www.PostgreSQL.org/users-lounge/commercial-support.html< / a > <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "1.7" name = "1.7" > < / a > 1.7) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> µİ汾<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < / h4 >
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> µİ汾<EFBFBD> ǰ汾 7.2.3<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 7.3.1 <EFBFBD> ˡ<EFBFBD> <EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> Ǽƻ<EFBFBD> ÿ<EFBFBD> ĸ<EFBFBD> <EFBFBD> ·<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> 汾<EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "1.8" name = "1.8" > < / a > 1.8) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> ڷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> ֲ <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD> һЩС<EFBFBD> IJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> μ<EFBFBD> /doc Ŀ¼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> ӦΪ $PGHOME/doc<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ֲ <EFBFBD> <EFBFBD> < a href = "http://www.PostgreSQL.org/users-lounge/docs/" > http://www.PostgreSQL.org/users-lounge/docs/< / a > <EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڠPostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ṩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://www.PostgreSQL.org/docs/awbook.html" > http://www.PostgreSQL.org/docs/awbook.html< / a > <EFBFBD> <EFBFBD> < a href = "http://www.commandprompt.com/ppbook/" > http://www.commandprompt.com/ppbook/< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://www.ca.PostgreSQL.org/books/" > http://www.ca.PostgreSQL.org/books/< / a > <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> Ŀɹ<EFBFBD> <EFBFBD> 鼮<EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://techdocs.PostgreSQL.org/" > http://techdocs.PostgreSQL.org/< / a > <EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> PostgreSQL <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¡<EFBFBD> < / p >
< p > < i > psql< / i > <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> \d <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͣ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ۼ<EFBFBD> <EFBFBD> ȵ<EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> web վ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "1.9" name = "1.9" > < / a > 1.9) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> BUG <EFBFBD> <EFBFBD> ȱʧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> < / h4 >
PostgreSQL ֧ <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> չ<EFBFBD> ˵<EFBFBD> SQL-92 <EFBFBD> <EFBFBD> <EFBFBD> Ӽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> < a href = "http://www.postgresql.org/docs/todo.html" > TODO< / a > < a href = "http://www.postgresql.org/docs/todo.html" > < / a > <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡһ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> <EFBFBD> 棬ȱʧ<EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ƻ<EFBFBD> <EFBFBD> <EFBFBD>
< h4 > < a id = "1.10" name = "1.10" > < / a > 1.10) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѧϰ SQL<EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> < a href = "http://www.postgresql.org/docs/awbook.html" > http://www.postgresql.org/docs/awbook.html< / a > <EFBFBD> Ĺ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SQL<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://www.commandprompt.com/ppbook/" > http://www.commandprompt.com/ppbook< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> 顣<EFBFBD> <EFBFBD> < a href = "http://www.intermedia.net/support/sql/sqltut.shtm" > http://www.intermedia.net/support/sql/sqltut.shtm< / a > <EFBFBD> <EFBFBD> < a href = "http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM" > http://ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM<EFBFBD> < / a > <EFBFBD> <EFBFBD> < a href = "http://sqlcourse.com/" > http://sqlcourse.com< / a > <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ž̳ ̡ <EFBFBD>
< p > <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> "Teach Yourself SQL in 21 Days, Second Edition"<EFBFBD> <EFBFBD> 21<EFBFBD> <EFBFBD> ѧ<EFBFBD> <EFBFBD> SQL<EFBFBD> <EFBFBD> <EFBFBD> ڶ<EFBFBD> <EFBFBD> 棩<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://members.tripod.com/er4ebus/sql/index.htm" > http://members.tripod.com/er4ebus/sql/index.htm< / a > < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> ϲ<EFBFBD> <EFBFBD> < i > The Practical SQL Handbook, Bowman, Judith S., et al., Addison-Wesley <EFBFBD> <EFBFBD> < / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > The Complete Reference SQL, Groff et al., McGraw-Hill <EFBFBD> <EFBFBD> < / i > < / p >
< h4 > < a id = "1.11" name = "1.11" > < / a > 1.11) PostgreSQL <EFBFBD> <EFBFBD> Y2K <EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> ǣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 2000 AD ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 2000 BC ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڡ<EFBFBD>
< h4 > < a id = "1.12" name = "1.12" > < / a > 1.12) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 飿< / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> ȣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> µ<EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> 벢<EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> web վ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> pgsql-hackers <EFBFBD> <EFBFBD> pgsql-patches <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> pgsql-patches <EFBFBD> ύ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʮ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL CVS <EFBFBD> 鵵 < font size = "-1" > COMMIT< / font > <EFBFBD> <EFBFBD> Ȩ<EFBFBD> ޡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƕ<EFBFBD> <EFBFBD> Ѿ<EFBFBD> <EFBFBD> ύ<EFBFBD> ˷dz<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> <EFBFBD> ύ<EFBFBD> ˺<EFBFBD> <EFBFBD> Ѹ<EFBFBD> <EFBFBD> Ͻ<EFBFBD> <EFBFBD> ࣬ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύ<EFBFBD> IJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ġ<EFBFBD> < / p >
< h4 > < a id = "1.13" name = "1.13" > < / a > 1.13) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύһ<EFBFBD> <EFBFBD> BUG<EFBFBD> <EFBFBD> <EFBFBD> 棿< / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://www.PostgreSQL.org/bugs/bugs.php" > http://www.PostgreSQL.org/bugs/bugs.php< / a > <EFBFBD> <EFBFBD> PostgreSQL BugTool ҳ<EFBFBD> <EFBFBD> , <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύһ<EFBFBD> <EFBFBD> BUG<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> ϡ<EFBFBD>
< p > ͬ <EFBFBD> <EFBFBD> ҲҪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> ftp վ<EFBFBD> <EFBFBD> < a href = "ftp://ftp.postgresql.org/pub" > ftp://ftp.postgreSQL.org/pub< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> и<EFBFBD> <EFBFBD> µ<EFBFBD> PostgreSQL <EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "1.14" name = "1.14" > < / a > 1.14) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> кü<EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܣ<EFBFBD> <EFBFBD> ɿ<EFBFBD> <EFBFBD> ԣ<EFBFBD> ֧ <EFBFBD> ֺ <EFBFBD> <EFBFBD> <EFBFBD>
< dl >
< dt > < b > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / b > < / dt >
< dd > PostgreSQL ӵ<EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磺<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ο<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǻ<EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͣ <EFBFBD> <EFBFBD> ̳ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ͷ<EFBFBD> <EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> п<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õȡ<EFBFBD> < br / >
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< dt > < b > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / b > < / dt >
< dd > PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> úͿ<EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD> <EFBFBD> <EFBFBD> ijЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȽϿ죬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƚ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> MySQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ϵͳ<EFBFBD> Ƚϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> insert/update ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼ MySQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿɿ<EFBFBD> <EFBFBD> Ժ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> η<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> ϵظĽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȥ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> Ƚ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> MySQL < a href = "http://openacs.org/why-not-mysql.html" > http://openacs.org/why-not-mysql.html< / a > <EFBFBD> <EFBFBD> < br / >
< / dd >
< dt > < b > <EFBFBD> ɿ<EFBFBD> <EFBFBD> <EFBFBD> < / b > < / dt >
< dd > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> DBMS <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿɿ<EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ö<EFBFBD> û<EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŭ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Եģ<EFBFBD> <EFBFBD> ȶ<EFBFBD> <EFBFBD> ij<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ٵĴ<EFBFBD> <EFBFBD> 롣ÿ<EFBFBD> <EFBFBD> <EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> µ<EFBFBD> beta <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʷ<EFBFBD> <EFBFBD> ʾ<EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ṩ<EFBFBD> ȶ<EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> ι̵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> õİ汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⷽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ൱<EFBFBD> ġ<EFBFBD> < br / >
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< dd > <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> ṩһ<EFBFBD> <EFBFBD> <EFBFBD> dz<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⡣<EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD> <EFBFBD> ܱ <EFBFBD> ֤ <EFBFBD> ϶<EFBFBD> <EFBFBD> ܽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܹ <EFBFBD> <EFBFBD> ṩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> Ⱥ<EFBFBD> <EFBFBD> <EFBFBD> ֲ <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӵ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS <EFBFBD> <EFBFBD> Ҫ<EFBFBD> á<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> ҵ<EFBFBD> Ե<EFBFBD> Ԥ<EFBFBD> <EFBFBD> װ<EFBFBD> <EFBFBD> ֧ <EFBFBD> ֣ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ը<EFBFBD> <EFBFBD> ṩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ˡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧ <EFBFBD> <EFBFBD> FAQ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 1.6 С<EFBFBD> ڡ<EFBFBD> <EFBFBD> <EFBFBD> < br / >
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< / dl >
< h4 > < a id = "1.15" name = "1.15" > < / a > 1.15) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> Դ<EFBFBD> 1996<EFBFBD> 꿪ʼ<EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> Ѿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֯ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ЩӦ<EFBFBD> ù鹦<EFBFBD> <EFBFBD> Marc Fournier<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˲<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> һֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֯ <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʩ<EFBFBD> Ƿdz<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ġ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܷ <EFBFBD> ֹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӳ<EFBFBD> <EFBFBD> <EFBFBD> Ŀǰ<EFBFBD> <EFBFBD> <EFBFBD> Ļ<EFBFBD> <EFBFBD> ҡ<EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֯ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ת<EFBFBD> ɱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> и<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¶ȵġ<EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ԵĿ<EFBFBD> ֧ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> ˾<EFBFBD> ܽ <EFBFBD> <EFBFBD> о<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://store.pgsql.com/shopping/" > http://store.pgsql.com/shopping/< / a > <EFBFBD> <EFBFBD> <EFBFBD> о<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> ἰ<EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ˾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧ <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> Ĺ<EFBFBD> ˾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ը<EFBFBD> ⣬Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> ֧ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵ<EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> < / p >
< hr / >
< center >
< h2 > <EFBFBD> û<EFBFBD> <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< h4 > < a id = "2.1" name = "2.1" > < / a > 2.1) <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ODBC <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ODBC <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> ã<EFBFBD> PsqlODBC <EFBFBD> <EFBFBD> OpenLink ODBC.
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://gborg.postgresql.org/project/psqlodbc/projdisplay.php" > http://gborg.postgresql.org/project/psqlodbc/projdisplay.php< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PsqlODBC <EFBFBD> <EFBFBD> < / p >
< p > OpenLink ODBC <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> < a href = "http://www.openlinksw.com/" > http://www.openlinksw.com/< / a > <EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵı<EFBFBD> ODBC <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> ƽ̨ <EFBFBD> <EFBFBD> Win, Mac, Unix, VMS<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> PostgreSQL ODBC<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> ܽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ʒ<EFBFBD> <EFBFBD> <EFBFBD> ۸<EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ҵ֧ <EFBFBD> ֵ <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> freeware <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ汾<EFBFBD> <EFBFBD> <EFBFBD> Եõ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> < a href = "mailto:postgres95@openlink.co.uk" > postgres95@openlink.co.uk< / a > <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "2.2" name = "2.2" > < / a > 2.2) <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ߿<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Web ҳ<EFBFBD> 棿< / h4 >
һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> Ϊ<EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> ͦ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> վ<EFBFBD> <EFBFBD> <EFBFBD> ǣ<EFBFBD> < a href = "http://www.webreview.com" > http://www.webreview.com< / a > <EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Web <EFBFBD> <EFBFBD> <EFBFBD> ɣ<EFBFBD> PHP <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õĽӿڡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڣ<EFBFBD> < a href = "http://www.php.net/" > http://www.php.net/< / a > <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ڸ<EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܶ <EFBFBD> <EFBFBD> ˲<EFBFBD> <EFBFBD> <EFBFBD> Perl <EFBFBD> ӿں<EFBFBD> CGI.pm <EFBFBD> <EFBFBD> mod_perl <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "2.3" name = "2.3" > < / a > 2.3) PostgreSQL ӵ<EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> ǵġ<EFBFBD> <EFBFBD> м<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ͼ<EFBFBD> νӿڡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PgAccess<EFBFBD> <EFBFBD> < a href = "http://www.pgaccess.com" > http://www.pgaccess.com< / a > )<EFBFBD> <EFBFBD> PgAdmin II <EFBFBD> <EFBFBD> < a href = "http://www.pgadmin.org" > http://www.pgadmin.org< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Win32<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> RHDB Admin (< a href = "http://sources.redhat.com/rhdb/" > http://sources.redhat.com/rhdb/< / a > <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> Rekall <EFBFBD> <EFBFBD> < a href = "http://www.thekompany.com/products/rekall/" > http://www.thekompany.com/products/rekall/< / a > <EFBFBD> <EFBFBD> ר<EFBFBD> е<EFBFBD> /proprietary)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PHPPgAdmin <EFBFBD> <EFBFBD> < a href = "http://phppgadmin.sourceforge.net/" > http://phppgadmin.sourceforge.net/<EFBFBD> <EFBFBD> < / a > <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> web <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ʽӿڡ<EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 棬<EFBFBD> <EFBFBD> Ϊ PgAccess <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> <EFBFBD> < a href = "http://www.pgaccess.org/" > http://www.pgaccess.org/< / a > <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "2.4" name = "2.4" > < / a > 2.4) <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> еı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> з<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> Ľӿڡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ե<EFBFBD> <EFBFBD> <EFBFBD> չģ<EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> а<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ½ӿڣ<EFBFBD> < / p >
< ul >
< li > C (libpq)< / li >
< li > Embedded C (ecpg)< / li >
< li > Java (jdbc)< / li >
< li > Python (PyGreSQL)< / li >
< li > TCL (libpgtcl)< / li >
< / ul >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ľӿ<EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://gborg.postgresql.org" > http://gborg.postgresql.org< / a > <EFBFBD> ϵ<EFBFBD> < i > Drivers/Interfaces< / i > С<EFBFBD> ڡ<EFBFBD> < / p >
< hr / >
< center >
< h2 > ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< h4 > < a id = "3.1" name = "3.1" > < / a > 3.1) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܰ <EFBFBD> PostgreSQL װ<EFBFBD> <EFBFBD> /usr/local/pgsql <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵط<EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> configure ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> --prefix ѡ<EFBFBD> < / p >
< h4 > < a id = "3.2" name = "3.2" > < / a > 3.2) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > Bad System Call< / i > <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Core Dumped <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǻܶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣬<EFBFBD> <EFBFBD> <EFBFBD> ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> ֧ <EFBFBD> <EFBFBD> System V <EFBFBD> <EFBFBD> չ<EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ں<EFBFBD> ֧ <EFBFBD> ֹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> źŵơ<EFBFBD> < / p >
< h4 > < a id = "3.3" name = "3.3" > < / a > 3.3) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > IpcMemoryCreate< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> Ҫô<EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> ù<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ棬Ҫô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں˵Ŀ<EFBFBD> <EFBFBD> ù<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ档<EFBFBD> <EFBFBD> Ҫ<EFBFBD> Ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵ<EFBFBD> ṹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱʹ<EFBFBD> õĻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͺ<EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> ȱʡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ~1MB<EFBFBD> <EFBFBD> <EFBFBD> йع<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> źŵƵ<EFBFBD> <EFBFBD> <EFBFBD> ϸ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> ο<EFBFBD> < a href = "http://www.postgresql.org/idocs/index.php?kernel-resources.html" > PostgreSQL Administrator's Guide< / a > <EFBFBD> <EFBFBD>
< h4 > < a id = "3.4" name = "3.4" > < / a > 3.4) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > IpcSemaphoreCreate< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> < i > IpcSemaphoreCreate: semget failed (No space left on device)< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ôԭ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں<EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㹻<EFBFBD> <EFBFBD> <EFBFBD> źŵ<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> Postgres <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> DZ<EFBFBD> ڵĺ<EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> ̶ <EFBFBD> <EFBFBD> <EFBFBD> Ҫһ<EFBFBD> <EFBFBD> <EFBFBD> źŵơ<EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> Ľ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԱȽ<EFBFBD> <EFBFBD> ٵĺ<EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster<EFBFBD> <EFBFBD> ʹ<EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> < i > -N< / i > <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡֵ <EFBFBD> IJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õĽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǼӴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں˵<EFBFBD> < font size = "-1" > SEMMNS< / font > <EFBFBD> <EFBFBD> < font size = "-1" > SEMMNI< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܴ <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> źŵƲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> ܵ <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܾ <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> źŵ<EFBFBD> ֧ <EFBFBD> ֡ <EFBFBD> <EFBFBD> йع<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> źŵƵ<EFBFBD> <EFBFBD> <EFBFBD> ϸ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> ο<EFBFBD> < a href = "http://www.postgresql.org/idocs/index.php?kernel-resources.html" > PostgreSQL Administrator's Guide< / a > <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "3.5" name = "3.5" > < / a > 3.5) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ο<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> < / h4 >
< p > ȱʡʱ<EFBFBD> <EFBFBD> PostgreSQL ֻ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> unix <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> < i > -i< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > postmaster< / i > <EFBFBD> <EFBFBD> < b > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / b > ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӧ<EFBFBD> ı༭ < i > $PGDATA/pg_hba.conf< / i > <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> host-based <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֤ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӵġ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> TCP/IP <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> < / p >
< h4 > < a id = "3.6" name = "3.6" > < / a > 3.6) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> ø<EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܣ<EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> ٲ<EFBFBD> ѯ<EFBFBD> <EFBFBD> < font size = "-1" > EXPLAIN< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ۲<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ν<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> < font size = "-1" > INSERT< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> < font size = "-1" > COPY< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ķ<EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > INSERT< / font > <EFBFBD> <EFBFBD> <EFBFBD> öࡣ<EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD> û<EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > BEGIN WORK/COMMIT< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 䱻<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 洦<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 䡣<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݸı<EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ؽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> м<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> á<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > -o -F< / i > ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > fsync()< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˢ<EFBFBD> µ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϡ<EFBFBD> < / p >
< p > <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> postmaster -B ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӻ<EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> õĹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ滺<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> ̫ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> Ѿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں<EFBFBD> <EFBFBD> ڹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> ռ<EFBFBD> <EFBFBD> ϵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 8K <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ 64 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> ú<EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> ̵ <EFBFBD> -S ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> -S ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> K<EFBFBD> ֽ <EFBFBD> ȱʡ<EFBFBD> <EFBFBD> 512 <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> 512K<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> < font size = "-1" > CLUSTER< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݰ<EFBFBD> <EFBFBD> <EFBFBD> ij<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> оۼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> š<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> CLUSTER <EFBFBD> <EFBFBD> <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϸ<EFBFBD> ڡ<EFBFBD> < / p >
< h4 > < a id = "3.7" name = "3.7" > < / a > 3.7) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> < / h4 >
< p > PostgreSQL <EFBFBD> м<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڱ<EFBFBD> <EFBFBD> <EFBFBD> ״̬ <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> ܶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ;<EFBFBD> <EFBFBD> <EFBFBD> а<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ȣ<EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> --enable-cassert ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> configure<EFBFBD> <EFBFBD> <EFBFBD> кܶ <EFBFBD> < i > assert()< / i > <EFBFBD> <EFBFBD> <EFBFBD> غ<EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> ̺ <EFBFBD> <EFBFBD> ڷ<EFBFBD> <EFBFBD> <EFBFBD> ijЩδ<EFBFBD> <EFBFBD> Ԥ<EFBFBD> ϵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱͣ ֹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> < / p >
< p > postmaster <EFBFBD> <EFBFBD> postgres <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ־<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> ȥ<EFBFBD> ˣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< pre >
cd /usr/local/pgsql
./bin/postmaster > server.log 2> & 1 &
< / pre >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ¼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> server.log <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> postmaster <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> -d ѡ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǻ<EFBFBD> <EFBFBD> ø<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϸ<EFBFBD> ڻ㱨<EFBFBD> <EFBFBD> -d ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǹߵĵ<EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܻ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ־<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postgres <EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> ̣ <EFBFBD> Ȼ<EFBFBD> <EFBFBD> ֱ <EFBFBD> Ӽ<EFBFBD> <EFBFBD> <EFBFBD> SQL <EFBFBD> <EFBFBD> <EFBFBD> 䡣<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < b > ֻ < / b > <EFBFBD> Ƽ<EFBFBD> <EFBFBD> ڵ<EFBFBD> <EFBFBD> Ե<EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> ɡ<EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƿֺ <EFBFBD> ʾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ŵ<EFBFBD> <EFBFBD> Է<EFBFBD> <EFBFBD> ű<EFBFBD> <EFBFBD> 룬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ۿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> 顣<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǻ<EFBFBD> ʵ<EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> л<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> /<EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܲ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֡ <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <EFBFBD> Ѿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > psql< / i > <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> < i > psql< / i > <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> < i > postgres< / i > <EFBFBD> <EFBFBD> <EFBFBD> ̵ <EFBFBD> < font size = "-1" > PID< / font > <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > postgres< / i > < font size = "-1" > PID< / font > <EFBFBD> ϡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> öϵ㲢<EFBFBD> Ҵ<EFBFBD> < i > psql< / i > <EFBFBD> <EFBFBD> ִ <EFBFBD> в<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> <EFBFBD> <EFBFBD> < i > postgres< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PGOPTIONS="-W n"<EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > psql< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӳ<EFBFBD> < i > n< / i > <EFBFBD> 룬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϳ<EFBFBD> <EFBFBD> Ը<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> <EFBFBD> ̡ <EFBFBD> < / p >
< p > postgres <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> -s<EFBFBD> <EFBFBD> -A<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> -t ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> <EFBFBD> Ժ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܲ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> dz<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD> < / p >
< p > <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> profiling ֧ <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> ۲<EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> õ<EFBFBD> ִ <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> ϶ࡣprofile <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> pgsql/data/base/dbname Ŀ¼<EFBFBD> ¡<EFBFBD> <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> profile <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڿͻ<EFBFBD> <EFBFBD> ˵<EFBFBD> ǰĿ¼<EFBFBD> ¡<EFBFBD> <EFBFBD> <EFBFBD> Linux <EFBFBD> <EFBFBD> ֧ <EFBFBD> <EFBFBD> profiling Ҫ<EFBFBD> ڱ<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > -DLINUX_PROFILE< / i > <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "3.8" name = "3.8" > < / a > 3.8) Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> ¼ʱ<EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> Sorry, too many clients<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ֧ <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > ȱʡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 32 <EFBFBD> <EFBFBD> <EFBFBD> ̡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> < i > -N< / i > ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > postgresql.conf< / i > <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > Ҫע<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > -N< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 32<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > -B< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<EFBFBD> <EFBFBD> 64<EFBFBD> <EFBFBD> -B <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> -N <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> ˸<EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܿ <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> Ǹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> ĺ<EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> ̣ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܻ <EFBFBD> <EFBFBD> ᷢ <EFBFBD> <EFBFBD> <EFBFBD> 㻹<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Unix <EFBFBD> ں<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ò<EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ磬< font size = "-1" > SHMMAX< / font > <EFBFBD> <EFBFBD> <EFBFBD> źŵƵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> < font size = "-1" > SEMMNS< / font > <EFBFBD> <EFBFBD> < font size = "-1" > SEMMNI< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ľ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > NPROC< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > MAXUPRC< / font > <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> < font size = "-1" > NFILE< / font > <EFBFBD> <EFBFBD> < font size = "-1" > NINODE< / font > <EFBFBD> <EFBFBD> Postgres <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> ԭ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ù<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> Postgres <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 6.5 <EFBFBD> İ汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<EFBFBD> <EFBFBD> 64<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> < i > include/storage/sinvaladt.h< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> MaxBackendId <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> BUILD<EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "3.9" name = "3.9" > < / a > 3.9) pgsql_tmp Ŀ¼<EFBFBD> ﶼ<EFBFBD> <EFBFBD> Щʲô<EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> Ŀ¼<EFBFBD> ±<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˲<EFBFBD> ѯִ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɵ<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҪΪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > ORDER BY< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> Ⱥ<EFBFBD> ̨ <EFBFBD> <EFBFBD> -S <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĸ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀռ䣬<EFBFBD> <EFBFBD> ô<EFBFBD> ͻᴴ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݡ<EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> ʱ<EFBFBD> ļ<EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˾Ϳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͣ ֹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< / p >
< h4 > < a id = "3.10" name = "3.10" > < / a > 3.10) ΪʲôҪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 汾ʱ<EFBFBD> <EFBFBD> dump <EFBFBD> <EFBFBD> restore <EFBFBD> <EFBFBD> < / h4 >
< p > PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˽<EFBFBD> <EFBFBD> ٵ<EFBFBD> <EFBFBD> <EFBFBD> ,<EFBFBD> <EFBFBD> <EFBFBD> ˴<EFBFBD> 7.2 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 7.2.1 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ dump <EFBFBD> <EFBFBD> restore<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 7.2 <EFBFBD> <EFBFBD> 7.3<EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> 仯һ<EFBFBD> <EFBFBD> <EFBFBD> Ƚϸ<EFBFBD> <EFBFBD> ӣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݡ<EFBFBD> dump <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݰ<EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> õĸ<EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¼<EFBFBD> <EFBFBD> ز<EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> µ<EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> ʽû<EFBFBD> б仯<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > pg_upgrade< / i > <EFBFBD> ű<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> dump <EFBFBD> <EFBFBD> restor<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> script <EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD> < i > pg_upgrade< / i > <EFBFBD> Ըô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD> < / p >
< hr / >
< center >
< h2 > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h2 >
< / center >
< h4 > < a id = "4.1" name = "4.1" > < / a > 4.1) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> α<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> α<EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > DECLARE< / font > <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD>
< h4 > < a id = "4.2" name = "4.2" > < / a > 4.2)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ < font size = "-1" > SELECT< / font > һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > FETCH< / font > <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> SELECT ... LIMIT....
< p > <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> ֻ <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ͷ<EFBFBD> ļ<EFBFBD> <EFBFBD> У<EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> 漰<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > ORDER BY< / font > <EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > ORDER BY< / font > ƥ<EFBFBD> 䣬PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ܾ <EFBFBD> ֻ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¼<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> < / p >
< h4 > < a id = "4.3" name = "4.3" > < / a > 4.3) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λ<EFBFBD> ȡһ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > psql< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> < i > psql< / i > <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> < i > pgsql/src/bin/psql/describe.c< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> psql <EFBFBD> ķ<EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> < i > -E< / i > ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > psql< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> ִ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õIJ<EFBFBD> ѯ<EFBFBD> <EFBFBD>
< h4 > < a id = "4.4" name = "4.4" > < / a > 4.4) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> һ<EFBFBD> У<EFBFBD> < / h4 >
< p > 7.3 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < font size = "-1" > ALTER TABLE DROP COLUMN< / font > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֧ <EFBFBD> ִ <EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> İ汾<EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< pre >
BEGIN;
LOCK TABLE old_table;
SELECT ... -- select all columns but the one you want to remove
INTO TABLE new_table
FROM old_table;
DROP TABLE old_table;
ALTER TABLE new_table RENAME TO old_table;
COMMIT;
< / pre >
< h4 > < a id = "4.5" name = "4.5" > < / a > 4.5) һ<EFBFBD> У<EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ<EFBFBD> <EFBFBD> Ƕ<EFBFBD> <EFBFBD> ٣<EFBFBD> < / h4 >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD>
< pre >
һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ磿 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 1TB <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⣩
һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ磿 16TB
һ<EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ磿 1.6TB
һ<EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ<EFBFBD> ? 1GB
һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> ,250-1600
һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
< / pre >
<EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ܿ <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> ̿ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> /<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD>
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߴ<EFBFBD> 16 TB <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> Դ<EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ö<EFBFBD> <EFBFBD> <EFBFBD> 1 GB <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> 洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> ϵͳ<EFBFBD> ߴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Dz<EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ġ<EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 32K <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> ߴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> < / p >
< h4 > < a id = "4.6" name = "4.6" > < / a > 4.6)<EFBFBD> 洢һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͵<EFBFBD> ƽ<EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ٴ<EFBFBD> <EFBFBD> ̿ < / h4 >
һ<EFBFBD> <EFBFBD> Postgres <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ൱<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ƽ<EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 洢<EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> 5<EFBFBD> <EFBFBD> <EFBFBD> Ĵ<EFBFBD> <EFBFBD> ̿
< p > <EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> 100,000 <EFBFBD> е<EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λ20<EFBFBD> ֽ <EFBFBD> ƽ<EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> ռ<EFBFBD> à2.8 MB<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> 6.4 MB:< / p >
< pre >
36 <EFBFBD> ֽ <EFBFBD> : ÿ<EFBFBD> е<EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD>
24 <EFBFBD> ֽ <EFBFBD> : һ<EFBFBD> <EFBFBD> int<EFBFBD> ֶ <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD>
+ 4 <EFBFBD> ֽ <EFBFBD> : ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD> Ԫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD>
----------------------------------------
64 <EFBFBD> ֽ <EFBFBD> ÿ<EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> Ĵ<EFBFBD> С<EFBFBD> <EFBFBD> 8192 <EFBFBD> ֽ <EFBFBD> (8 KB)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
8192 <EFBFBD> ֽ <EFBFBD> ÿҳ
------------------- = 128 <EFBFBD> <EFBFBD> /<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
64 <EFBFBD> ֽ <EFBFBD> ÿ<EFBFBD> <EFBFBD>
100000 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
-------------------- = 782 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
128 <EFBFBD> <EFBFBD> ÿҳ
782 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ * 8192 <EFBFBD> ֽ <EFBFBD> /ҳ = 6,406,144 <EFBFBD> ֽ <EFBFBD> 6.4 MB<EFBFBD> <EFBFBD>
< / pre >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> Ҳȷʵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> ܺ ܴ <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λͼ<EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> ú<EFBFBD> <EFBFBD> ٵĿռ䡣< / p >
< h4 > < a id = "4.7" name = "4.7" > < / a > 4.7) <EFBFBD> <EFBFBD> <EFBFBD> β鿴<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> 壿< / h4 >
< i > <EFBFBD> psql< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ෴б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʾ<EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> \? <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> pg_ <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> psql -l <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> г<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⡣
< p > Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> < i > pgsql/src/tutorial/syscat.source< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> < font size = "-1" > SELECT< / font > <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.8" name = "4.8" > < / a > 4.8) <EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ <EFBFBD> <EFBFBD> <EFBFBD> ڱ<EFBFBD> <EFBFBD> Ĵ<EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Сֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> ѯֻ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> н<EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɨ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 漴<EFBFBD> <EFBFBD> <EFBFBD> ̴ <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> ܱ <EFBFBD> ֱ <EFBFBD> ӵض<EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> ɨ<EFBFBD> 裩<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> ж<EFBFBD> <EFBFBD> Ƿ<EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> йر<EFBFBD> <EFBFBD> <EFBFBD> ͳ<EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щͳ<EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> VACUUM ANALYZE<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ANALYZE <EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD> ʹ<EFBFBD> <EFBFBD> ͳ<EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ж<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> <EFBFBD> ж<EFBFBD> <EFBFBD> Ƿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͳ<EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӷ<EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD> <EFBFBD> ڱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 仯ʱ<EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> ڽ<EFBFBD> <EFBFBD> <EFBFBD> ͳ<EFBFBD> <EFBFBD> ֵ <EFBFBD> Ļ<EFBFBD> ȡ<EFBFBD> <EFBFBD> < / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ORDER BY <EFBFBD> <EFBFBD> ִ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> ɨ<EFBFBD> 裬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɨ<EFBFBD> <EFBFBD> Ҫ<EFBFBD> 졣< / p >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ǣ<EFBFBD> <EFBFBD> <EFBFBD> LIMIT <EFBFBD> <EFBFBD> ORDER BY <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊֻ <EFBFBD> ᷵ <EFBFBD> ر<EFBFBD> <EFBFBD> <EFBFBD> һС<EFBFBD> <EFBFBD> <EFBFBD> ֡ <EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> Ȼ MAX() <EFBFBD> <EFBFBD> MIN() <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ORDER BY <EFBFBD> <EFBFBD> LLIMIT ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Сֵ <EFBFBD> ǿ<EFBFBD> <EFBFBD> Եģ<EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> SELECT col< br / >
<EFBFBD> <EFBFBD> <EFBFBD> FROM tab< br / >
<EFBFBD> <EFBFBD> <EFBFBD> ORDER BY col [ DESC ]< br / >
<EFBFBD> <EFBFBD> <EFBFBD> LIMIT 1;< / p >
< p > <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> LIKE <EFBFBD> <EFBFBD> ~ ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> ã<EFBFBD> <EFBFBD> <EFBFBD> < / p >
< ul >
< li > <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> ʼ<EFBFBD> <EFBFBD> <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> < / li >
< li > LIKE ģʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> % <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> < / li >
< li > ~ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> ģʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ^ <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> < / li >
< li > <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƥ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> ģʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> [a-e]<EFBFBD> <EFBFBD> < / li >
< li > <EFBFBD> <EFBFBD> Сд<EFBFBD> صIJ<EFBFBD> <EFBFBD> ң<EFBFBD> <EFBFBD> <EFBFBD> ILIKE <EFBFBD> <EFBFBD> ~* <EFBFBD> Ȳ<EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 4.12 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / li >
< li > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> initdb ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> C locale<EFBFBD> <EFBFBD> < / li >
< / ul >
< h4 > < a id = "4.9" name = "4.9" > < / a > 4.9) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> ܿ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵIJ<EFBFBD> ѯ<EFBFBD> ģ<EFBFBD> < / h4 >
<EFBFBD> ο<EFBFBD> < font size = "-1" > EXPLAIN< / font > <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD>
< h4 > < a id = "4.10" name = "4.10" > < / a > 4.10) R-tree <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < / h4 >
< p > R-tree <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݡ<EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Χ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> B-tree <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ <EFBFBD> ܴ <EFBFBD> <EFBFBD> <EFBFBD> һά<EFBFBD> ķ<EFBFBD> Χ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> R-tree <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> ݡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ point <EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> <EFBFBD> Ͻ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> R-tree <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ôϵͳ<EFBFBD> ܸ <EFBFBD> <EFBFBD> <EFBFBD> Ч<EFBFBD> ػش<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> η<EFBFBD> Χ<EFBFBD> ڵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е㡱<EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> R-Tree <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǣ<EFBFBD> < br / >
< br / >
Guttman, A. "R-Trees: A Dynamic Index Structure for Spatial Searching." Proc of the 1984 ACM SIGMOD Int'l Conf on Mgmt of Data, 45-57.< br / >
< br / >
<EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Stonebraker <EFBFBD> ġ<EFBFBD> Readings in Database Systems<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҵ<EFBFBD> <EFBFBD> <EFBFBD> ƪ<EFBFBD> <EFBFBD> <EFBFBD> ¡<EFBFBD> < br / >
< br / >
ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> R-Tree <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κͷ<EFBFBD> <EFBFBD> Ρ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> R-tree <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> չΪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> չ R-trees <EFBFBD> <EFBFBD> Ҫһ<EFBFBD> <EFBFBD> <EFBFBD> Ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀǰû<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.11" name = "4.11" > < / a > 4.11) ʲô<EFBFBD> ǻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> Genetic Query Optimization<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > GEQO ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㷨<EFBFBD> <EFBFBD> Genetic Algorithm<EFBFBD> <EFBFBD> GA<EFBFBD> <EFBFBD> <EFBFBD> ӿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӵIJ<EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.12" name = "4.12" > < / a > 4.12) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> Сд<EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> Сд<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ~ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽƥ<EFBFBD> 䣬<EFBFBD> <EFBFBD> ~* <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Сд<EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽƥ<EFBFBD> 䡣<EFBFBD> <EFBFBD> дЩ<EFBFBD> ص<EFBFBD> LIKE <EFBFBD> <EFBFBD> <EFBFBD> ֳ <EFBFBD> Ϊ ILIKE<EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> Сд<EFBFBD> صĵ<EFBFBD> ʽ<EFBFBD> Ƚ<EFBFBD> ͨ <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> SELECT *< br / >
<EFBFBD> <EFBFBD> <EFBFBD> FROM tab< br / >
<EFBFBD> <EFBFBD> <EFBFBD> WHERE lower(col) = 'abc';< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> ñ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ɱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> :< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> CREATE INDEX tabindex ON tab (lower(col));< / p >
< h4 > < a id = "4.13" name = "4.13" > < / a > 4.13) <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> <EFBFBD> Ƿ<EFBFBD> Ϊ NULL<EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> IS NULL <EFBFBD> <EFBFBD> IS NOT NULL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> <EFBFBD> < br / >
< / p >
< h4 > < a id = "4.14" name = "4.14" > < / a > 4.14) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͠ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ơ<EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> < br / >
<EFBFBD> --------------------------------------------------< br / >
<EFBFBD> "char"<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> char<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 1<EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> character< br / >
<EFBFBD> CHAR(#)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> bpchar<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݲ<EFBFBD> <EFBFBD> 㶨<EFBFBD> 峤<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> Կո<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
<EFBFBD> VARCHAR(#)<EFBFBD> varchar<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 䳤<EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㶨<EFBFBD> 峤<EFBFBD> ȵIJ<EFBFBD> <EFBFBD> ֲ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
<EFBFBD> TEXT<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> text<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƚ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
<EFBFBD> BYTEA<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> bytea<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 䳤<EFBFBD> ֽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> 䳤<EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> 㽫<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> "varlena"<EFBFBD> <EFBFBD> <EFBFBD> 䳤<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͣ <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> ĸ<EFBFBD> <EFBFBD> ֽ <EFBFBD> <EFBFBD> dz<EFBFBD> <EFBFBD> ȣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> <EFBFBD> ռ<EFBFBD> õĿռ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĵ<EFBFBD> СҪ<EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> Ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> ѹ<EFBFBD> <EFBFBD> <EFBFBD> 洢<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> TOAST <EFBFBD> ѻ<EFBFBD> <EFBFBD> 洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˴<EFBFBD> <EFBFBD> ̿ <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> ܱ <EFBFBD> Ԥ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ١<EFBFBD> < br / >
< br / >
CHAR(n) <EFBFBD> <EFBFBD> <EFBFBD> ʺ<EFBFBD> <EFBFBD> ڴ洢<EFBFBD> <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> VARCHAR(n) <EFBFBD> ڴ洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õġ<EFBFBD> TEXT <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƴ<EFBFBD> <EFBFBD> ȵ<EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɴ<EFBFBD> 1G<EFBFBD> <EFBFBD> BYTEA <EFBFBD> <EFBFBD> <EFBFBD> ڴ洢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> NULL <EFBFBD> ֽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> 0<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ;<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܡ<EFBFBD> < / p >
< h4 > < a id = "4.15.1" name = "4.15.1" > < / a > 4.15.1) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> /<EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> < / h4 >
< p > PostgreSQL ֧ <EFBFBD> <EFBFBD> SERIAL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磬< br / >
<EFBFBD> <EFBFBD> <EFBFBD> CREATE TABLE person (<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> id SERIAL,<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> name TEXT<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> );< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> ת<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> CREATE SEQUENCE person_id_seq;< br / >
<EFBFBD> <EFBFBD> <EFBFBD> CREATE TABLE person (<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> id INT4 NOT NULL DEFAULT nextval('person_id_seq'),< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> name TEXT<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> );< br / >
<EFBFBD> <EFBFBD> <EFBFBD> CREATE UNIQUE INDEX person_id_key ON person ( id );< br / >
< br / >
<EFBFBD> ο<EFBFBD> create_sequence <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> еĸ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿ<EFBFBD> е<EFBFBD> oid <EFBFBD> ֶ <EFBFBD> <EFBFBD> <EFBFBD> Ϊһ<EFBFBD> <EFBFBD> Ψһֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> 㵹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⣬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫʹ<EFBFBD> <EFBFBD> pg_dump <EFBFBD> <EFBFBD> -o ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> COPY WITH OIDS ѡ<EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> OID<EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.15.2" name = "4.15.2" > < / a > 4.15.2) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> кŵ<EFBFBD> ֵ <EFBFBD> <EFBFBD> < / h4 >
< p > һ<EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> nextval() <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ж<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> SERIAL ֵ <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʽ<EFBFBD> <EFBFBD> <EFBFBD> 롣ʹ<EFBFBD> <EFBFBD> < a href = "#4.15.1" > 4.15.1< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> α<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> new_id = execute("SELECT nextval('person_id_seq')");< br / >
<EFBFBD> <EFBFBD> <EFBFBD> execute("INSERT INTO person (id, name) VALUES (new_id, 'Blaise Pascal')");< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ʹ<EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> new_id <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <EFBFBD> Ϊ person <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ע<EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SEQUENCE <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < table> _< serialcolumn> _seq<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> table <EFBFBD> <EFBFBD> serialcolumn <EFBFBD> ֱ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SERIAL <EFBFBD> ֶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> Ƶģ<EFBFBD> <EFBFBD> <EFBFBD> SERIAL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> currval() <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ո<EFBFBD> ֵ <EFBFBD> <EFBFBD> SERIAL ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> execute("INSERT INTO person (name) VALUES ('Blaise Pascal')");< br / >
<EFBFBD> <EFBFBD> <EFBFBD> new_id = execute("SELECT currval('person_id_seq')");< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> ô<EFBFBD> INSERT <EFBFBD> <EFBFBD> <EFBFBD> ䷵<EFBFBD> ص<EFBFBD> < a href = "4.16" > OID< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֲ <EFBFBD> Եķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Perl <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> Edmund Mergl <EFBFBD> <EFBFBD> DBD::Pg ģ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBI<EFBFBD> <EFBFBD> oid ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> $sth-> execute() <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> $sth-> {pg_oid_status} <EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.15.3" name = "4.15.3" > < / a > 4.15.3) ʹ<EFBFBD> <EFBFBD> currval() <EFBFBD> <EFBFBD> nextval() <EFBFBD> ᵼ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ᡣcurrval() <EFBFBD> <EFBFBD> <EFBFBD> غ<EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> ̶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> ǰֵ <EFBFBD> <EFBFBD> < br / >
< / p >
< h4 > < a id = "4.15.4" name = "4.15.4" > < / a > 4.15.4) Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 쳣<EFBFBD> <EFBFBD> ֹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> أ<EFBFBD> Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> ֶ <EFBFBD> ȡֵ <EFBFBD> д<EFBFBD> <EFBFBD> ڼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> أ<EFBFBD> < / h4 >
< p > Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ߲ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͻᵼ<EFBFBD> <EFBFBD> ز<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> кų<EFBFBD> <EFBFBD> ּ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < br / >
< a id = "4.16" name = "4.16" > < / a > 4.16) ʲô<EFBFBD> <EFBFBD> OID<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> TID<EFBFBD> <EFBFBD> < / h4 >
< p > OID <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> Ψһ<EFBFBD> <EFBFBD> ʶ<EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> ﴴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÿһ<EFBFBD> ж<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> Ψһ<EFBFBD> <EFBFBD> OID<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> initdb <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> OID <EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> 16384 <EFBFBD> <EFBFBD> <EFBFBD> μ<EFBFBD> include/access/transam.h<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> OID <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> ȱʡʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ OID <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ψһ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> װ<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> Ψһ<EFBFBD> ġ<EFBFBD> <EFBFBD> < br / >
< br / >
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> OID <EFBFBD> ڱ<EFBFBD> ֮ <EFBFBD> 佨<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ OID <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڱ<EFBFBD> ʶ<EFBFBD> ض<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> OID <EFBFBD> 洢 OID ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> OID <EFBFBD> ֶ <EFBFBD> <EFBFBD> ϴ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Կ<EFBFBD> <EFBFBD> ٷ<EFBFBD> <EFBFBD> ʡ<EFBFBD> <EFBFBD> < br / >
< br / >
OID <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ʹ<EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ︳ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> OID <EFBFBD> ijɱ<EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> ݱ<EFBFBD> <EFBFBD> Ĵ<EFBFBD> ԭʼ OID <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> CREATE TABLE new(old_oid oid, mycol int);< br / >
<EFBFBD> <EFBFBD> <EFBFBD> SELECT old_oid, mycol INTO new FROM old;< br / >
<EFBFBD> <EFBFBD> <EFBFBD> COPY new TO '/tmp/pgtable';< br / >
<EFBFBD> <EFBFBD> <EFBFBD> DELETE FROM new;< br / >
<EFBFBD> <EFBFBD> <EFBFBD> COPY new WITH OIDS FROM '/tmp/pgtable';< br / >
< br / >
OID <EFBFBD> <EFBFBD> 4<EFBFBD> ֽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 棬<EFBFBD> ڳ<EFBFBD> <EFBFBD> <EFBFBD> 40<EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> ˱<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˱<EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> < br / >
< br / >
TID <EFBFBD> <EFBFBD> <EFBFBD> ڱ<EFBFBD> ʶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ飨<EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> ͣ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڣ<EFBFBD> ƫ<EFBFBD> Ƶ<EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> TID <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> غ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ı䡣<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ָ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> < / p >
< h4 > < a id = "4.17" name = "4.17" > < / a > 4.17) PostgreSQL ʹ<EFBFBD> õ<EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> < / h4 >
< p > һЩԴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> ʹ<EFBFBD> <EFBFBD> һЩ<EFBFBD> и<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ÷<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ֣ <EFBFBD> <EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> table, relation, class<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> row, record, tuple<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> column, field, attribute<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> retrieve, select<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> replace, update<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> append, insert<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> OID, serial value<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> portal, cursor<EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> range variable, table name, table alias<EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://hea-www.harvard.edu/MST/simul/software/docs/pkgs/pgsql/glossary/glossary.html" > http://hea-www.harvard.edu/MST/simul/software/docs/pkgs/pgsql/glossary/glossary.html< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.18" name = "4.18" > < / a > 4.18) Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > ERROR: Memory exhausted in AllocSetAlloc()< / i > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> ܿ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> ù<EFBFBD> <EFBFBD> ˣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ں˶<EFBFBD> ijЩ<EFBFBD> <EFBFBD> Դ<EFBFBD> нϵ͵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> ulimit -d 262144< br / >
<EFBFBD> <EFBFBD> <EFBFBD> limit datasize 256m< br / >
< br / >
ȡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> shell<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> ܳ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ľ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ñȽϸߣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ò<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> ɡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> ̣ <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> к <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӽ<EFBFBD> <EFBFBD> ̡ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SQL<EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̫ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> пͻ<EFBFBD> <EFBFBD> <EFBFBD> ֮ ִ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.19" name = "4.19" > < / a > 4.19) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> β<EFBFBD> <EFBFBD> <EFBFBD> ֪ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> PostgreSQL <EFBFBD> İ汾<EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> psql <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SELECT version()<EFBFBD> <EFBFBD> < br / >
< / p >
< h4 > < a id = "4.20" name = "4.20" > < / a > 4.20) Ϊʲô<EFBFBD> ҵĴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ´<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < i > invalid large obj descriptor<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <EFBFBD> Ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / i > <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> κδ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> BEGIN WORK <EFBFBD> <EFBFBD> COMMIT<EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Χ lo_open ... lo_close<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
Ŀǰ PostgreSQL ǿ<EFBFBD> <EFBFBD> ʵʩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύʱ<EFBFBD> رմ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> в<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ״ζԴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> ᵼ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> invalid large obj descriptor<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> ܹ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ĵ<EFBFBD> <EFBFBD> 루<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> 䣩<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ôһ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> ÿͻ<EFBFBD> <EFBFBD> ˽ӿڣ<EFBFBD> <EFBFBD> <EFBFBD> ODBC<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ set auto-commit off<EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.21" name = "4.21" > < / a > 4.21) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ȱʡֵ <EFBFBD> ǵ<EFBFBD> ǰʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ <EFBFBD> < / h4 >
< p > ʹ<EFBFBD> <EFBFBD> CURRENT_TIMESTAMP<EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> CREATE TABLE test(x int, modtime timestamp DEFAULT CURRENT_TIMESTAMP);< / p >
< h4 > < a id = "4.22" name = "4.22" > < / a > 4.22) Ϊʲôʹ<EFBFBD> <EFBFBD> IN <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > Ŀǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ÿһ<EFBFBD> <EFBFBD> ˳<EFBFBD> <EFBFBD> ɨ<EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> Ľ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> غܶ <EFBFBD> <EFBFBD> У<EFBFBD> IN ִ <EFBFBD> еúܿ <EFBFBD> ˼ӿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IN <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ִ <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> EXISTS <EFBFBD> 滻 IN<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> SELECT *< br / >
<EFBFBD> <EFBFBD> <EFBFBD> FROM tab< br / >
<EFBFBD> <EFBFBD> <EFBFBD> WHERE col IN (SELECT subcol FROM subtab);< br / >
< br / >
<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> SELECT *< br / >
<EFBFBD> <EFBFBD> <EFBFBD> FROM tab< br / >
<EFBFBD> <EFBFBD> <EFBFBD> WHERE EXISTS (SELECT subcol FROM subtab WHERE subcol = col);< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> ִ <EFBFBD> еø<EFBFBD> <EFBFBD> 죬subcol Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD> < / p >
< h4 > < a id = "4.23" name = "4.23" > < / a > 4.23) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> outer join <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ñ<EFBFBD> <EFBFBD> <EFBFBD> SQL <EFBFBD> ֧ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> SELECT *< br / >
<EFBFBD> <EFBFBD> <EFBFBD> FROM t1 LEFT OUTER JOIN t2 ON (t1.col = t2.col);< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> < br / >
<EFBFBD> <EFBFBD> <EFBFBD> SELECT *< br / >
<EFBFBD> <EFBFBD> <EFBFBD> FROM t1 LEFT OUTER JOIN t2 USING (col);< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȼ۵IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> t1.col <EFBFBD> <EFBFBD> t2.col <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҷ<EFBFBD> <EFBFBD> <EFBFBD> ?t1 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> t2 <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> ƥ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> [<EFBFBD> <EFBFBD> ]<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> (RIGHT OUTER JOIN)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> t2 <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> <EFBFBD> ȫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> FULL OUTER JOIN<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> t1 <EFBFBD> <EFBFBD> t2 <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD> ؼ<EFBFBD> <EFBFBD> <EFBFBD> OUTER <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> [<EFBFBD> <EFBFBD> ]<EFBFBD> <EFBFBD> <EFBFBD> ӡ<EFBFBD> <EFBFBD> <EFBFBD> [<EFBFBD> <EFBFBD> ]<EFBFBD> <EFBFBD> <EFBFBD> Ӻ<EFBFBD> <EFBFBD> <EFBFBD> ȫ[<EFBFBD> <EFBFBD> ]<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> ѡ<EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> ӱ<EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> INNER JOIN<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
<EFBFBD> ڴ<EFBFBD> ǰ<EFBFBD> İ汾<EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> UNION <EFBFBD> <EFBFBD> NOT IN <EFBFBD> <EFBFBD> ģ<EFBFBD> ⡣<EFBFBD> <EFBFBD> <EFBFBD> 磬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڱ<EFBFBD> tab1 <EFBFBD> <EFBFBD> tab2 ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> < br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> SELECT tab1.col1, tab2.col2< br / >
<EFBFBD> <EFBFBD> <EFBFBD> FROM tab1, tab2< br / >
<EFBFBD> <EFBFBD> <EFBFBD> WHERE tab1.col1 = tab2.col1< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> UNION ALL< br / >
< br / >
<EFBFBD> <EFBFBD> <EFBFBD> SELECT tab1.col1, NULL< br / >
<EFBFBD> <EFBFBD> <EFBFBD> FROM tab1< br / >
<EFBFBD> <EFBFBD> <EFBFBD> WHERE tab1.col1 NOT IN (SELECT tab2.col1 FROM tab2)< br / >
<EFBFBD> <EFBFBD> <EFBFBD> ORDER BY col1< / p >
< h4 > < a id = "4.24" name = "4.24" > < / a > 4.24) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> 漰<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> < / h4 >
< p > û<EFBFBD> а취<EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ⡣<EFBFBD> <EFBFBD> Ϊ PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> ϵͳĿ¼<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ִ <EFBFBD> <EFBFBD> Ҳδ<EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> < br / >
< br / >
contrib/dblink <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʵ<EFBFBD> ֿ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿⲢ<EFBFBD> ڿͻ<EFBFBD> <EFBFBD> ˺ϲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.25" name = "4.25" > < / a > 4.25) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> л<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PL/pgSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> refcursors <EFBFBD> <EFBFBD> <EFBFBD> ؽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ο<EFBFBD> < a href = "http://www.PostgreSQL.org/idocs/index.php?plpgsql-cursors.html" > http://www.PostgreSQL.org/idocs/index.php?plpgsql-cursors.html< / a > , 23.7.3.3<EFBFBD> ڡ<EFBFBD> < br / >
< / p >
< h4 > < a id = "4.26" name = "4.26" > < / a > 4.26) Ϊʲô<EFBFBD> <EFBFBD> PL/PgSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> в<EFBFBD> <EFBFBD> ܿ <EFBFBD> <EFBFBD> ش<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > PL/PgSQL <EFBFBD> <EFBFBD> <EFBFBD> 溯<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD> <EFBFBD> ɴ˴<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> õĸ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> PL/PgSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> ñ<EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ؽ<EFBFBD> <EFBFBD> ˣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ٴε<EFBFBD> <EFBFBD> øú<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʧ<EFBFBD> ܣ<EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼָ <EFBFBD> <EFBFBD> <EFBFBD> ɵ<EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PL/PgSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> EXECUTE <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> з<EFBFBD> <EFBFBD> ʡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ᱣ֤ <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ִ <EFBFBD> <EFBFBD> ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ·<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.27" name = "4.27" > < / a > 4.27) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݸ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD> < / h4 >
< p > <EFBFBD> м<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> /<EFBFBD> ӷ<EFBFBD> ʽ<EFBFBD> ĸ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD> <EFBFBD> <EFBFBD> Щѡ<EFBFBD> <EFBFBD> ֻ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> и<EFBFBD> <EFBFBD> £<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> ֻ <EFBFBD> ܽ <EFBFBD> <EFBFBD> ж<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ҳ < a href = "http://gborg.PostgreSQL.org/genpage?replication_research" > http://gborg.PostgreSQL.org/genpage?replication_research< / a > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> г<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щѡ<EFBFBD> <EFBFBD> <EFBFBD> < a href = "http://gborg.PostgreSQL.org/project/pgreplication/projdisplay.php" > http://gborg.PostgreSQL.org/project/pgreplication/projdisplay.php< / a > <EFBFBD> <EFBFBD> <EFBFBD> ڽ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ƵĽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "4.28" name = "4.28" > < / a > 4.28) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݼ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD> < / h4 >
< p > contrib/pgcrypto <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˺ܶ <EFBFBD> <EFBFBD> <EFBFBD> SQL <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> ʹ<EFBFBD> õļ<EFBFBD> <EFBFBD> ܺ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܿ <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˴<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> Ψһ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> pg_hba.conf <EFBFBD> в<EFBFBD> <EFBFBD> <EFBFBD> hostss <EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
7.3 <EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> м<EFBFBD> <EFBFBD> ܡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǰ<EFBFBD> İ汾<EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postgresql.conf <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> PASSWORD_ENCRYPTION ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڼ<EFBFBD> <EFBFBD> ܵ <EFBFBD> <EFBFBD> ļ<EFBFBD> ϵͳ<EFBFBD> ϣ<EFBFBD> <EFBFBD> Դﵽ<EFBFBD> <EFBFBD> <EFBFBD> ܵ <EFBFBD> Ŀ<EFBFBD> ģ<EFBFBD> <EFBFBD> <EFBFBD> < br / >
< br / >
--------------------------------------------------------------------------------< / p >
< h2 align = "center" > <EFBFBD> <EFBFBD> չ PostgreSQL< / h2 >
< h4 > < a id = "5.1" name = "5.1" > < / a > 5.1) <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 庯<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> psql <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> ᵼ<EFBFBD> <EFBFBD> core dump<EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ԭ<EFBFBD> <EFBFBD> <EFBFBD> ܶ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IJ<EFBFBD> <EFBFBD> Գ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> в<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> 庯<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / p >
< h4 > < a id = "5.2" name = "5.2" > < / a > 5.2) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܸ <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩͦ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͺͺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
< p > <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> չ<EFBFBD> <EFBFBD> <EFBFBD> ͵<EFBFBD> pgsql-hackers <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ջᱻ<EFBFBD> ŵ<EFBFBD> contrib/ <EFBFBD> <EFBFBD> Ŀ¼<EFBFBD> <EFBFBD> < br / >
< / p >
< h4 > < a id = "5.3" name = "5.3" > < / a > 5.3) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> дһ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> Ԫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> C <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> < / h4 >
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