PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ⣨FAQ<EFBFBD> <EFBFBD>
<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
Ŀǰά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> Bruce Momjian (pgman@candle.pha.pa.us)
<EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> ά<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ա<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ΰƽ <EFBFBD> <EFBFBD> laser@pgsqldb.com <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> °汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> http://www.postgresql.org/files/documentation/fa
qs/FAQ.html <EFBFBD> 鿴<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳƽ̨ <EFBFBD> <EFBFBD> <EFBFBD> ص<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> http://www.postgresql.org/docs/faq/<EFBFBD> <EFBFBD> <EFBFBD> ش<EFBFBD> <EFBFBD> <EFBFBD>
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<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
1.1) PostgreSQL <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
1.2) PostgreSQL <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> ʲô?
1.3) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô Unix ƽ̨ <EFBFBD> ϣ<EFBFBD>
1.4) <EFBFBD> <EFBFBD> <EFBFBD> õķ<EFBFBD> Unix ƽ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD>
1.5) <EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ õ<EFBFBD> PostgreSQL<EFBFBD> <EFBFBD>
1.6) <EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ õ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֣ <EFBFBD>
1.7) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> µİ汾<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD>
1.8) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD>
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>
1.10) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѧϰ SQL <EFBFBD> <EFBFBD>
1.11) PostgreSQL <EFBFBD> <EFBFBD> Y2K <EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
1.12) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 飿
1.13) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύһ<EFBFBD> <EFBFBD> BUG <EFBFBD> <EFBFBD> <EFBFBD> 棿
1.14) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD>
1.15) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD>
<EFBFBD> û<EFBFBD> <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
2.1) <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ODBC <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD>
2.2) <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ߿<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Web ҳ<EFBFBD> 棿
2.3) PostgreSQL ӵ<EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
2.4) <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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>
3.2) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Bad System Call<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Core
Dumped <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD>
3.3) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IpcMemoryCreate <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD>
3.4) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IpcSemaphoreCreate
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD>
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>
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>
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>
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>
3.9) pgsql_tmp Ŀ¼<EFBFBD> ﶼ<EFBFBD> <EFBFBD> Щʲô<EFBFBD> <EFBFBD>
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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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>
4.2) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ ѡ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD>
4.3) <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> psql
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.4) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> һ<EFBFBD> У<EFBFBD>
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>
4.6) <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> ̿ ռ䣿
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
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>
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>
4.10) R-tree <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD>
4.11) ʲô<EFBFBD> ǻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> Genetic Query Optimization<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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> 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>
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>
4.14) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD>
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> ֶ Σ<EFBFBD>
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>
4.15.3) 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>
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> ֶ ε<EFBFBD> ȡֵ <EFBFBD> д<EFBFBD> <EFBFBD> ڼ<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> أ<EFBFBD>
4.16) ʲô<EFBFBD> <EFBFBD> OID<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> TID <EFBFBD> <EFBFBD>
4.17) PostgreSQL ʹ<EFBFBD> õ<EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD>
4.18) Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ERROR: Memory exhausted in AllocSetAlloc()<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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>
4.20) Ϊʲô<EFBFBD> ҵĴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ´<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 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> <EFBFBD> <EFBFBD>
4.21) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ȱʡֵ <EFBFBD> ǵ<EFBFBD> ǰʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ Σ<EFBFBD>
4.22) Ϊʲôʹ<EFBFBD> <EFBFBD> IN <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.23) <EFBFBD> <EFBFBD> <EFBFBD> ν<EFBFBD> <EFBFBD> <EFBFBD> outer join <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӣ<EFBFBD> <EFBFBD> <EFBFBD>
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>
4.25) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> л<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD>
4.26) Ϊʲô<EFBFBD> <EFBFBD> PL/PgSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> в<EFBFBD> <EFBFBD> ܿ ɿ<EFBFBD> <EFBFBD> ش<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.27) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݸ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD>
4.28) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݼ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD>
<EFBFBD> <EFBFBD> չ PostgreSQL
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>
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>
5.3) <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>
5.4) <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
_________________________________________________________________
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
1.1) PostgreSQL <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Post-Gres-Q-L <EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> DBMS <EFBFBD> <EFBFBD> <EFBFBD> о<EFBFBD> <EFBFBD> <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> <EFBFBD> <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>
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> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Marc G. Fournier
<EFBFBD> <EFBFBD> scrappy@postgreSQL.org
<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>
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> PostgreS
QL <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> ְ Ա<EFBFBD> <EFBFBD> <EFBFBD> ɵġ<EFBFBD>
<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> ָ ij<EFBFBD> Postgres95<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 1996<EFBFBD> <EFBFBD> ĩ<EFBFBD> <EFBFBD> <EFBFBD> Ÿ<EFBFBD> <EFBFBD> <EFBFBD> Ϊ PostgreSQL<EFBFBD> <EFBFBD>
1.2) PostgreSQL <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> ʲô?
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> ȨԼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵͳ
<EFBFBD> <EFBFBD> PostgreSQL Data Base Management System<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ְ <EFBFBD> Ȩ<EFBFBD> <EFBFBD> c<EFBFBD> <EFBFBD> 1996-2002<EFBFBD> <EFBFBD> PostgreSQL ȫ<EFBFBD> <EFBFBD> С<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> ְ <EFBFBD> Ȩ<EFBFBD> <EFBFBD> c<EFBFBD> <EFBFBD> 1994-6 <EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> Portions copyright (c) 1996-2002, PostgreSQL Global Development
Group
Portions Copyright (c) 1994-6 Regents of the University of
California<EFBFBD> <EFBFBD>
<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> <EFBFBD>
<EFBFBD> <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>
<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>
<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> <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> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> <EFBFBD> ݴ<EFBFBD> ѧ<EFBFBD> Ѿ<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>
<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>
<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>
<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>
<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> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
1.3) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô Unix ƽ̨ <EFBFBD> ϣ<EFBFBD>
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> ȷ<EFBFBD> <EFBFBD> <EFBFBD> Ե<EFBFBD> ƽ̨ <EFBFBD> <EFBFBD>
1.4) <EFBFBD> <EFBFBD> <EFBFBD> õķ<EFBFBD> Unix ƽ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD>
<EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD>
<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> ܵ ġ<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> ͨ Ѷ<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> ͨ Ѷ<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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 pgsql/doc/FAQ_MSWIN <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD>
http://www.PostgreSQL.org/docs/faq-mswin.html <EFBFBD> <EFBFBD>
<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>
1.5) <EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ õ<EFBFBD> PostgreSQL<EFBFBD> <EFBFBD>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> FTPվ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
ftp://ftp.PostgreSQL.org/pub<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>
1.6) <EFBFBD> Ҵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܵ õ<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ֧ <EFBFBD> ֣ <EFBFBD>
<EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> ǣ<EFBFBD> pgsql-general@postgreSQL.org<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
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end
<EFBFBD> <EFBFBD> <EFBFBD> ʼ<EFBFBD> <EFBFBD> <EFBFBD> pgsql-general-request@postgreSQL.org <EFBFBD> <EFBFBD>
<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> pgsql-general-digest-req
uest@postgreSQL.org<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD>
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end
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>
<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>
bugs-request@postgreSQL.org<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD>
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end
<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>
hackers-request@postgreSQL.org<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD>
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end
<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>
http://postgresql.org/
<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> irc -c
'#PostgreSQL' "$USER" irc.phoenix.net
<EFBFBD> <EFBFBD> ҵ֧ <EFBFBD> ֹ <EFBFBD> ˾<EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD>
http://www.PostgreSQL.org/users-lounge/commercial-support.html <EFBFBD> <EFBFBD>
1.7) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> µİ汾<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD>
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>
<EFBFBD> <EFBFBD> <EFBFBD> Ǽƻ<EFBFBD> ÿ<EFBFBD> ĸ<EFBFBD> <EFBFBD> ·<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> 汾<EFBFBD> <EFBFBD>
1.8) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> õ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> ڷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> ֲ ᣬ<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> ֲ ᣬ<EFBFBD> <EFBFBD> http://www.PostgreSQL.org/users-lounge/docs/ <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ṩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
http://www.PostgreSQL.org/docs/awbook.html <EFBFBD> <EFBFBD>
http://www.commandprompt.com/ppbook/ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
http://www.ca.PostgreSQL.org/books/ <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> Ŀɹ<EFBFBD> <EFBFBD> 鼮<EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> http://techdocs.PostgreSQL.org/ <EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> й<EFBFBD>
PostgreSQL <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ¡<EFBFBD>
psql <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>
<EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> web վ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĵ<EFBFBD> <EFBFBD> <EFBFBD>
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>
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> TODO
<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>
1.10) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѧϰ SQL<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> http://www.postgresql.org/docs/awbook.html <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>
http://www.commandprompt.com/ppbook <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> 顣<EFBFBD> <EFBFBD> http://www.intermedia.net/support/sql/sqltut.shtm<EFBFBD> <EFBFBD> http://ourw
orld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM <EFBFBD> <EFBFBD>
http://sqlcourse.com <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ž̳ ̡ <EFBFBD>
<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>
http://members.tripod.com/er4ebus/sql/index.htm
<EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> ϲ<EFBFBD> <EFBFBD> The Practical SQL Handbook, Bowman, Judith S., et
al., Addison-Wesley <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> The Complete Reference SQL, Groff et
al., McGraw-Hill <EFBFBD> <EFBFBD>
1.11) PostgreSQL <EFBFBD> <EFBFBD> Y2K <EFBFBD> <EFBFBD> <EFBFBD> ݵ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> ǣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ǻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 2000 AD ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 2000 BC ֮ ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڡ<EFBFBD>
1.12) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 뿪<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 飿
<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>
<EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʮ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL CVS <EFBFBD> 鵵 COMMIT <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>
1.13) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ύһ<EFBFBD> <EFBFBD> BUG<EFBFBD> <EFBFBD> <EFBFBD> 棿
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> http://www.PostgreSQL.org/bugs/bugs.php <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>
ͬ <EFBFBD> <EFBFBD> ҲҪ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵ<EFBFBD> ftp վ<EFBFBD> <EFBFBD>
ftp://ftp.postgreSQL.org/pub<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> и<EFBFBD> <EFBFBD> µ<EFBFBD> PostgreSQL <EFBFBD> 汾<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
1.14) PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DBMS <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD>
<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> ֺ ͼ۸<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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> ̳ У<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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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 http://openacs.org/why-not-mysql.html<EFBFBD> <EFBFBD>
<EFBFBD> ɿ<EFBFBD> <EFBFBD> <EFBFBD>
<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 ģ<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>
֧ <EFBFBD> <EFBFBD>
<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>
<EFBFBD> ۸<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> Ƕ<EFBFBD> <EFBFBD> κ<EFBFBD> <EFBFBD> <EFBFBD> ;<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѣ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> úͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> ġ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Բ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƶ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> IJ<EFBFBD> Ʒ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ǵĴ<EFBFBD> <EFBFBD> 룬<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
BSD <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> İ<EFBFBD> Ȩ<EFBFBD> ⡣
1.15) <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD>
<EFBFBD> Դ<EFBFBD> 1996<EFBFBD> 꿪ʼ<EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> Ѿ<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>
<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>
<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>
http://store.pgsql.com/shopping/ <EFBFBD> <EFBFBD> <EFBFBD> о<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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> ֧ Ʊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵ<EFBFBD> <EFBFBD>
ַ <EFBFBD> <EFBFBD>
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<EFBFBD> û<EFBFBD> <EFBFBD> ͻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
2.1) <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> ODBC <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ODBC <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ի<EFBFBD> <EFBFBD> ã<EFBFBD> PsqlODBC <EFBFBD> <EFBFBD> OpenLink ODBC.
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> http://gborg.postgresql.org/project/psqlodbc/projdisplay.php
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PsqlODBC <EFBFBD> <EFBFBD>
OpenLink ODBC <EFBFBD> <EFBFBD> <EFBFBD> Դ<EFBFBD> http://www.openlinksw.com/ <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> ֵ Ŀͻ<EFBFBD> <EFBFBD> <EFBFBD> ƽ̨ <EFBFBD> <EFBFBD> Win, Mac,
Unix, VMS<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> PostgreSQL ODBC<EFBFBD> <EFBFBD>
<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>
postgres95@openlink.co.uk<EFBFBD> <EFBFBD>
2.2) <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> ߿<EFBFBD> <EFBFBD> <EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Web ҳ<EFBFBD> 棿
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> http://www.webreview.com <EFBFBD> <EFBFBD>
<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> http://www.php.net/ <EFBFBD> <EFBFBD>
<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>
2.3) PostgreSQL ӵ<EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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> http://www.pgaccess.com)<EFBFBD> <EFBFBD> PgAdmin II
<EFBFBD> <EFBFBD> http://www.pgadmin.org<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Win32<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> RHDB Admin
(http://sources.redhat.com/rhdb/<EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> Rekall
<EFBFBD> <EFBFBD> http://www.thekompany.com/products/rekall/<EFBFBD> <EFBFBD>
ר<EFBFBD> е<EFBFBD> /proprietary)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> PHPPgAdmin
<EFBFBD> <EFBFBD> http://phppgadmin.sourceforge.net/<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> web <EFBFBD> <EFBFBD> PostgreSQL
<EFBFBD> <EFBFBD> <EFBFBD> ʽӿڡ<EFBFBD>
<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> http://www.pgaccess.org/<EFBFBD> <EFBFBD>
2.4) <EFBFBD> <EFBFBD> <EFBFBD> ǿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> <EFBFBD> Ժ<EFBFBD> PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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>
PostgreSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> а<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ½ӿڣ<EFBFBD>
* C (libpq)
* Embedded C (ecpg)
* Java (jdbc)
* Python (PyGreSQL)
* TCL (libpgtcl)
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ľӿ<EFBFBD> <EFBFBD> <EFBFBD> http://gborg.postgresql.org <EFBFBD> ϵ<EFBFBD> Drivers/Interfaces
С<EFBFBD> ڡ<EFBFBD>
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ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> configure ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> --prefix ѡ<EFBFBD>
3.2) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Bad System Call<EFBFBD> <EFBFBD> ϵͳ<EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Core
Dumped <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD>
<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>
3.3) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IpcMemoryCreate <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD>
<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> PostgreSQL
Administrator's Guide <EFBFBD> <EFBFBD>
3.4) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> IpcSemaphoreCreate <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊʲô<EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> IpcSemaphoreCreate: semget failed (No space left on
device)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ô<EFBFBD> <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> -N <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȱʡֵ 32
<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> SEMMNS <EFBFBD> <EFBFBD>
SEMMNI <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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>
<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> <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> PostgreSQL Administrator's
Guide <EFBFBD> <EFBFBD>
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>
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 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ӧ<EFBFBD> ı<EFBFBD> <EFBFBD> $PGDATA/pg_hba.conf
<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>
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>
<EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> ٲ<EFBFBD> ѯ<EFBFBD> <EFBFBD> EXPLAIN <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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> INSERT<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> COPY
<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> INSERT
<EFBFBD> <EFBFBD> <EFBFBD> öࡣ<EFBFBD> <EFBFBD> <EFBFBD> Σ<EFBFBD> û<EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> BEGIN WORK/COMMIT
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 䱻<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬ һ<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>
<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> -o -F ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֹ fsync()<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> fsync() <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˢ<EFBFBD> µ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϡ<EFBFBD>
<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>
<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> ֽ ڼƵģ<EFBFBD> ȱʡ<EFBFBD> <EFBFBD> 512 <EFBFBD> <EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD> 512K<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> 㻹<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> CLUSTER <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>
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>
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> ܶ Ե<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ;<EFBFBD> <EFBFBD> <EFBFBD> а<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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> assert()
<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>
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>
cd /usr/local/pgsql
./bin/postmaster >server.log 2>&1 &
<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>
<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> ֻ
<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 ű<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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <EFBFBD> Ѿ<EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> psql<EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> ҳ<EFBFBD> psql <EFBFBD> <EFBFBD> Ӧ<EFBFBD> <EFBFBD>
postgres <EFBFBD> <EFBFBD> <EFBFBD> ̵ <EFBFBD> PID<EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postgres PID
<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> psql <EFBFBD> <EFBFBD> ִ <EFBFBD> в<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڵ<EFBFBD> <EFBFBD> <EFBFBD>
postgres <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>
psql<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӳ<EFBFBD> n
<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>
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>
<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> -DLINUX_PROFILE <EFBFBD> <EFBFBD>
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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> postmaster <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ֧ <EFBFBD> ֵ IJ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ̨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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> -N ֵ <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> postgresql.conf <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD>
Ҫע<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> -N <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 32<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> -B<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SHMMAX<EFBFBD> <EFBFBD> <EFBFBD> źŵƵ<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> SEMMNS <EFBFBD> <EFBFBD>
SEMMNI<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ľ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> NPROC<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> û<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> MAXUPRC<EFBFBD> <EFBFBD> <EFBFBD> Լ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ŀ<EFBFBD> <EFBFBD> NFILE <EFBFBD> <EFBFBD> NINODE <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>
<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> include/storage/sinvaladt.h <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
MaxBackendId <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ȼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> BUILD<EFBFBD> <EFBFBD>
3.9) pgsql_tmp Ŀ¼<EFBFBD> ﶼ<EFBFBD> <EFBFBD> Щʲô<EFBFBD> <EFBFBD>
<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> ORDER BY
<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>
<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>
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>
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>
<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> pg_upgrade <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> pg_upgrade <EFBFBD> Ըô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> á<EFBFBD>
_________________________________________________________________
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> DECLARE <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD> ȡ<EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD>
4.2)<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֻ SELECT һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> FETCH <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> <EFBFBD> SELECT ... LIMIT....
<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> ORDER BY
<EFBFBD> IJ<EFBFBD> ѯ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ORDER BY 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> <EFBFBD>
<EFBFBD> <EFBFBD>
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> psql <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ķ<EFBFBD> psql <EFBFBD> <EFBFBD> Դ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> pgsql/src/bin/psql/describe.c
<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> -E
ѡ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> psql<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>
4.4) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ӱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> һ<EFBFBD> У<EFBFBD>
7.3 <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ALTER TABLE DROP
COLUMN<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>
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;
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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> ƣ<EFBFBD>
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> ֶ ε<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>
<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> ̿ ռ䡢<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڴ<EFBFBD> /<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> Լ<EFBFBD> <EFBFBD>
<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>
<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>
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> ̿ ռ䣿
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> ̿ ռ䡣
<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> ֽ ڡ<EFBFBD>
ƽ<EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD> ռ<EFBFBD> <EFBFBD> 2.8 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:
36 <EFBFBD> ֽ <EFBFBD> : ÿ<EFBFBD> е<EFBFBD> ͷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD>
24 <EFBFBD> ֽ <EFBFBD> : һ<EFBFBD> <EFBFBD> int<EFBFBD> ֶ κ<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> ֽ ڣ<EFBFBD> 6.4 MB<EFBFBD> <EFBFBD>
<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> <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> ֵ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> λͼ<EFBFBD> У<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ռ<EFBFBD> ú<EFBFBD> <EFBFBD> ٵĿռ䡣
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
psql <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⡣
Ҳ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ļ<EFBFBD>
pgsql/src/tutorial/syscat.source<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> SELECT<EFBFBD> <EFBFBD>
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>
<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
ѡ<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>
<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
<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 Ҳ<EFBFBD> ǿ<EFBFBD> <EFBFBD> Եģ<EFBFBD>
SELECT col
FROM tab
ORDER BY col [ DESC ]
LIMIT 1;
<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> <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>
* LIKE ģʽ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> % <EFBFBD> <EFBFBD> ͷ<EFBFBD> <EFBFBD>
* ~ <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>
* <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>
* <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>
* <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>
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>
<EFBFBD> ο<EFBFBD> EXPLAIN <EFBFBD> ֲ <EFBFBD> ҳ<EFBFBD> <EFBFBD>
4.10) R-tree <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD>
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>
<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>
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.
<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>
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>
4.11) ʲô<EFBFBD> ǻ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ѯ<EFBFBD> Ż<EFBFBD> <EFBFBD> <EFBFBD> Genetic Query Optimization<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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>
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>
<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>
<EFBFBD> <EFBFBD> Сд<EFBFBD> صĵ<EFBFBD> ʽ<EFBFBD> Ƚ<EFBFBD> ͨ <EFBFBD> <EFBFBD> д<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
SELECT *
FROM tab
WHERE lower(col) = 'abc';
<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> :
CREATE INDEX tabindex ON tab (lower(col));
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>
<EFBFBD> <EFBFBD> IS NULL <EFBFBD> <EFBFBD> IS NOT NULL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ Ρ<EFBFBD>
4.14) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֮ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ˵<EFBFBD> <EFBFBD>
--------------------------------------------------
"char" char 1<EFBFBD> <EFBFBD> <EFBFBD> ַ <EFBFBD> character
CHAR(#) bpchar <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>
VARCHAR(#) varchar
ָ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȣ<EFBFBD> <EFBFBD> 䳤<EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 㶨<EFBFBD> 峤<EFBFBD> ȵIJ<EFBFBD> <EFBFBD> ֲ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
TEXT text <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ƚ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> е<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
BYTEA bytea <EFBFBD> 䳤<EFBFBD> ֽ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD> <EFBFBD> 䳤<EFBFBD> Ķ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݣ<EFBFBD>
<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> <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> ̿ ռ<EFBFBD> Ҳ<EFBFBD> <EFBFBD> <EFBFBD> ܱ <EFBFBD> Ԥ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ҫ<EFBFBD> ١<EFBFBD>
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> ȵı䳤<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> ֽ ڣ<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>
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> ֶ Σ<EFBFBD>
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
CREATE TABLE person (
id SERIAL,
name TEXT
);
<EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> ת<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD>
CREATE SEQUENCE person_id_seq;
CREATE TABLE person (
id INT4 NOT NULL DEFAULT nextval('person_id_seq'),
name TEXT
);
CREATE UNIQUE INDEX person_id_key ON person ( id );
<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>
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>
һ<EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ڲ<EFBFBD> <EFBFBD> <EFBFBD> ֮ ǰ<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> 4.15.1 <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>
new_id = execute("SELECT nextval('person_id_seq')");
execute("INSERT INTO person (id, name) VALUES (new_id, 'Blaise
Pascal')");
<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> ֶ ε<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD>
<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
execute("INSERT INTO person (name) VALUES ('Blaise Pascal')");
new_id = execute("SELECT currval('person_id_seq')");
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> ô<EFBFBD> INSERT <EFBFBD> <EFBFBD> <EFBFBD> ䷵<EFBFBD> ص<EFBFBD> OID
<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> ʹ<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>
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>
<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>
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> ֶ ε<EFBFBD> ȡֵ <EFBFBD> д<EFBFBD> <EFBFBD> ڼ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> أ
<EFBFBD>
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>
֮ ǰ<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>
4.16) ʲô<EFBFBD> <EFBFBD> OID<EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD> TID<EFBFBD> <EFBFBD>
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>
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>
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> <EFBFBD> ʼ OID <EFBFBD> Ŀ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
CREATE TABLE new(old_oid oid, mycol int);
SELECT old_oid, mycol INTO new FROM old;
COPY new TO '/tmp/pgtable';
DELETE FROM new;
COPY new WITH OIDS FROM '/tmp/pgtable';
OID
<EFBFBD> <EFBFBD> 4<EFBFBD> ֽ ڵ<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> ֮ ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ơ<EFBFBD>
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>
4.17) PostgreSQL ʹ<EFBFBD> õ<EFBFBD> һЩ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʲô<EFBFBD> <EFBFBD>
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>
table, relation, class
row, record, tuple
column, field, attribute
retrieve, select
replace, update
append, insert
OID, serial value
portal, cursor
range variable, table name, table alias
<EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ͨ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> б<EFBFBD> <EFBFBD> <EFBFBD> http://hea-www.harvard.edu/MST/simul/softw
are/docs/pkgs/pgsql/glossary/glossary.html <EFBFBD> <EFBFBD>
4.18) Ϊʲô<EFBFBD> <EFBFBD> <EFBFBD> յ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ERROR: Memory exhausted in AllocSetAlloc()<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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 ֮ ǰ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
ulimit -d 262144
limit datasize 256m
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> ܳ ɹ<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> ֮ ǰִ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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>
<EFBFBD> <EFBFBD> psql <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> SELECT version()<EFBFBD> <EFBFBD>
4.20) Ϊʲô<EFBFBD> ҵĴ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ´<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> 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> <EFBFBD> <EFBFBD>
<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>
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> <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>
4.21) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> δ<EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> ȱʡֵ <EFBFBD> ǵ<EFBFBD> ǰʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ֶ Σ<EFBFBD>
ʹ<EFBFBD> <EFBFBD> CURRENT_TIMESTAMP<EFBFBD> <EFBFBD>
CREATE TABLE test(x int, modtime timestamp DEFAULT CURRENT_TIMESTAMP);
4.22) Ϊʲôʹ<EFBFBD> <EFBFBD> IN <EFBFBD> <EFBFBD> <EFBFBD> Ӳ<EFBFBD> ѯ<EFBFBD> <EFBFBD> ô<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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 졣Ϊ<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>
SELECT *
FROM tab
WHERE col IN (SELECT subcol FROM subtab);
<EFBFBD> <EFBFBD> Ϊ<EFBFBD> <EFBFBD>
SELECT *
FROM tab
WHERE EXISTS (SELECT subcol FROM subtab WHERE subcol = col);
<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>
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>
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>
SELECT *
FROM t1 LEFT OUTER JOIN t2 ON (t1.col = t2.col);
<EFBFBD> <EFBFBD>
SELECT *
FROM t1 LEFT OUTER JOIN t2 USING (col);
<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> <EFBFBD>
<EFBFBD> <EFBFBD> INNER JOIN<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
<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>
SELECT tab1.col1, tab2.col2
FROM tab1, tab2
WHERE tab1.col1 = tab2.col1
UNION ALL
SELECT tab1.col1, NULL
FROM tab1
WHERE tab1.col1 NOT IN (SELECT tab2.col1 FROM tab2)
ORDER BY col1
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>
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>
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> ͬ ʱ<EFBFBD> <EFBFBD> <EFBFBD> ӵ<EFBFBD> <EFBFBD> <EFBFBD> ͬ <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ݿⲢ<EFBFBD> ڿͻ<EFBFBD> <EFBFBD> <EFBFBD>
<EFBFBD> ϲ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
4.25) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ú<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ض<EFBFBD> <EFBFBD> л<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> У<EFBFBD>
<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>
http://www.PostgreSQL.org/idocs/index.php?plpgsql-cursors.html,
23.7.3.3<EFBFBD> ڡ<EFBFBD>
4.26) Ϊʲô<EFBFBD> <EFBFBD> PL/PgSQL <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> в<EFBFBD> <EFBFBD> ܿ ɿ<EFBFBD> <EFBFBD> ش<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ɾ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʱ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
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>
4.27) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݸ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD>
<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 http://gborg.PostgreSQL.org/genpage?replication_research
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> г<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щѡ<EFBFBD> <EFBFBD> <EFBFBD>
http://gborg.PostgreSQL.org/project/pgreplication/projdisplay.php
<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>
4.28) <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Щ<EFBFBD> <EFBFBD> <EFBFBD> ݼ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD>
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> ܿ ͻ<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>
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>
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<EFBFBD> <EFBFBD> չ PostgreSQL
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>
<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ܶ ࡣ<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>
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>
<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>
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>
<EFBFBD> <EFBFBD> PostgreSQL 7.3 <EFBFBD> Ժ<EFBFBD> <EFBFBD> İ汾<EFBFBD> У<EFBFBD> C, PL/PgSQL <EFBFBD> <EFBFBD> SQL
<EFBFBD> <EFBFBD> ȫ֧ <EFBFBD> ַ <EFBFBD> <EFBFBD> <EFBFBD> ֵ Ϊ<EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Ϣ<EFBFBD> <EFBFBD> <EFBFBD> ο<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Աָ <EFBFBD> ϣ<EFBFBD> the Programmer's
Guide<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> contrib/tablefunc <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> C
д<EFBFBD> ķ<EFBFBD> <EFBFBD> <EFBFBD> ֵ Ϊ<EFBFBD> <EFBFBD> <EFBFBD> ĺ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD>
5.4) <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
Makefiles <EFBFBD> <EFBFBD> û<EFBFBD> а<EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ȷ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> make clean<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> һ<EFBFBD> <EFBFBD>
make <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ʹ<EFBFBD> õ<EFBFBD> <EFBFBD> <EFBFBD> GCC <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Բ<EFBFBD> <EFBFBD> <EFBFBD> ѡ<EFBFBD> <EFBFBD> --enable-depend
<EFBFBD> ñ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> Զ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ͷ<EFBFBD> ļ<EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> <EFBFBD> ϵ<EFBFBD> <EFBFBD>