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postgres/doc/FAQ_chinese

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Add Chinese FAQ. laser@pgsqldb.com
21 years ago
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/faqs/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>
----------------------------------------------------------------------
-- <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1.1 <#1.1>) PostgreSQL <EFBFBD><EFBFBD>ʲô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1.2 <#1.2>)
PostgreSQL <EFBFBD>İ<EFBFBD>Ȩ<EFBFBD><EFBFBD>ʲô? 1.3 <#1.3>) PostgreSQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʲô Unix
ƽ̨<EFBFBD>ϣ<EFBFBD> 1.4 <#1.4>) <EFBFBD><EFBFBD><EFBFBD>õķ<EFBFBD> Unix ƽ̨<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD> 1.5 <#1.5>)
<EFBFBD>Ҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܵõ<EFBFBD> PostgreSQL<EFBFBD><EFBFBD> 1.6 <#1.6>) <EFBFBD>Ҵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܵõ<EFBFBD><EFBFBD><EFBFBD> PostgreSQL
<EFBFBD><EFBFBD>֧<EFBFBD>֣<EFBFBD> 1.7 <#1.7>) PostgreSQL <EFBFBD><EFBFBD><EFBFBD>µİ汾<EFBFBD><EFBFBD>ʲô<EFBFBD><EFBFBD> 1.8 <#1.8>)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD>õ<EFBFBD> PostgreSQL <EFBFBD><EFBFBD><EFBFBD>ĵ<EFBFBD><EFBFBD><EFBFBD> 1.9 <#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 <#1.10>) <EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧϰ SQL <EFBFBD><EFBFBD> 1.11 <#1.11>)
PostgreSQL <EFBFBD><EFBFBD> Y2K <EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1.12 <#1.12>) <EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뿪<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>飿
1.13 <#1.13>) <EFBFBD><EFBFBD>Ӧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ύһ<EFBFBD><EFBFBD> BUG <EFBFBD><EFBFBD><EFBFBD>棿 1.14 <#1.14>) PostgreSQL
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> DBMS <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Σ<EFBFBD> 1.15 <#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 <#2.1>) <EFBFBD><EFBFBD> PostgreSQL <EFBFBD><EFBFBD> ODBC <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD> 2.2
<#2.2>) <EFBFBD><EFBFBD>ʲô<EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD><EFBFBD>԰<EFBFBD> PostgreSQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD> Web ҳ<EFBFBD>棿 2.3 <#2.3>)
PostgreSQL ӵ<EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD>û<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 2.4 <#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 <#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 <#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 <#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>Ϊ ʲô<EFBFBD><EFBFBD> 3.4 <#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 <#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 <#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 <#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 <#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
<#3.9>) pgsql_tmp Ŀ¼<EFBFBD>ﶼ<EFBFBD><EFBFBD>Щʲô<EFBFBD><EFBFBD> 3.10 <#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 <#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 <#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 <#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 <#4.4>) <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɾ<EFBFBD><EFBFBD>һ<EFBFBD>У<EFBFBD> 4.5 <#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 <#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 <#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 <#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 <#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 <#4.10>) R-tree
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʲô<EFBFBD><EFBFBD> 4.11 <#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 <#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 <#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 <#4.14>)
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֮<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʲô<EFBFBD><EFBFBD>ͬ<EFBFBD><EFBFBD> 4.15.1 <#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 <#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 <#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
<#4.15.4>) Ϊʲô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>쳣<EFBFBD><EFBFBD>ֹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>к<EFBFBD><EFBFBD>أ<EFBFBD>Ϊʲô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>к<EFBFBD><EFBFBD><EFBFBD>
<EFBFBD>ε<EFBFBD>ȡֵ<EFBFBD>д<EFBFBD><EFBFBD>ڼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>أ<EFBFBD> 4.16 <#4.16>) ʲô<EFBFBD><EFBFBD> OID<EFBFBD><EFBFBD>ʲô<EFBFBD><EFBFBD> TID <EFBFBD><EFBFBD> 4.17
<#4.17>) PostgreSQL ʹ<EFBFBD>õ<EFBFBD>һЩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ĺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʲô<EFBFBD><EFBFBD> 4.18 <#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 <#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 <#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 <#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 <#4.22>) Ϊʲôʹ<EFBFBD><EFBFBD> IN
<EFBFBD><EFBFBD><EFBFBD>Ӳ<EFBFBD>ѯ<EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD> 4.23 <#4.23>) <EFBFBD><EFBFBD><EFBFBD>ν<EFBFBD><EFBFBD><EFBFBD> outer join <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<EFBFBD><EFBFBD><EFBFBD> 4.24
<#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 <#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 <#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 <#4.27>) <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD>ݸ<EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD>
4.28 <#4.28>) <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD><EFBFBD><EFBFBD>ݼ<EFBFBD><EFBFBD><EFBFBD>ѡ<EFBFBD> <EFBFBD><EFBFBD>չ PostgreSQL 5.1 <#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 <#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 <#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 <#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>ɵ<EFBFBD>
<EFBFBD><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>PostgreSQL <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ
Postgres<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڼ<EFBFBD> <EFBFBD>ݴ<EFBFBD>ѧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>У<EFBFBD><EFBFBD> Michael Stonebraker
<EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>£<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>о<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD>ͱ<EFBFBD><EFBFBD><EFBFBD>ְ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><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>Σ<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><EFBFBD>
<EFBFBD><EFBFBD>ά <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>Ŀ<EFBFBD>Դ<EFBFBD><EFBFBD>Ȩ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>δ<EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD>
<EFBFBD><EFBFBD><EFBFBD>ơ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϲ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ı<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 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><EFBFBD> <EFBFBD><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 ƽ
̨<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><EFBFBD> <EFBFBD><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><EFBFBD> <EFBFBD>ο<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
subscribe 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-
request@postgreSQL.org <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD> subscribe 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> subscribe 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> subscribe 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
www.PostgreSQL.org/docs/awbook.html> <EFBFBD><EFBFBD>
http://www.commandprompt.com/ppbook/ www.commandprompt.com/ppbook/>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD> http://www.ca.PostgreSQL.org/books/ www.ca.PostgreSQL.org/books/>
<EFBFBD><EFBFBD><EFBFBD>й<EFBFBD><EFBFBD><EFBFBD> PostgreSQL <EFBFBD>Ŀɹ<EFBFBD><EFBFBD>鼮<EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
http://techdocs.PostgreSQL.org/ 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
www.postgresql.org/docs/todo.html>
www.postgresql.org/docs/todo.html><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
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:
//ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM
ourworld.compuserve.com/homepages/graeme_birchall/HTM_COOK.HTM> <EFBFBD><EFBFBD>
http://sqlcourse.com sqlcourse.com/> <EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ž̡̳<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
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
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<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>
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<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>
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Ŀ ǰ<EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD>ҡ<EFBFBD>
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<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/ store.pgsql.com/shopping/> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><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>
----------------------------------------------------------------------
-- <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> phppgadmin.sourceforge.net/>
<EFBFBD><EFBFBD>һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> web <EFBFBD><EFBFBD> PostgreSQL <EFBFBD><EFBFBD><EFBFBD>ʽ<EFBFBD> <EFBFBD>ڡ<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><EFBFBD> <EFBFBD><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>Ϊ ʲô<EFBFBD><EFBFBD>
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postmaster
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Ŀ ʱ<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
www.postgresql.org/idocs/index.php?kernel-resources.html> <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>
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<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 www.postgresql.org/idocs/index.php?kernel-resources.html> <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
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<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><EFBFBD><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>
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<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>ϵ
ͳ<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>
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<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>С<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>
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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>
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<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><EFBFBD>
<EFBFBD><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><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>һ С<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>СֵҲ<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> o LIKE ģʽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> %
<EFBFBD><EFBFBD>ͷ<EFBFBD><EFBFBD> o ~ <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>д Щ<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><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><EFBFBD> <EFBFBD><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><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 <#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>
__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
<4.16> <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>ֶ<EFBFBD>
<EFBFBD><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>Ψ һ<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>ȱʡ ʱ<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><EFBFBD>
<EFBFBD>ɱ<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><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>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/software/docs/pkgs/pgsql/glossary/glossary.h
tml <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>еúܿ졣Ϊ<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><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӣ<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><EFBFBD> <EFBFBD><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>ϵͳ Ŀ¼<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>˺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
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><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
gborg.PostgreSQL.org/project/pgreplication/projdisplay.php> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><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>
----------------------------------------------------------------------
---------- <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>ԭ
<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>
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