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PostgreSQL is a robust relational database system with over 25 years of active development that runs on all major operating systems. It is fully ACID compliant, and has full support for foreign keys, joins, views, triggers, and stored procedures (in multiple languages). It includes most SQL92 and SQL99 data types, including INTEGER, NUMERIC, BOOLEAN, CHAR, VARCHAR, DATE, INTERVAL, and TIMESTAMP. It also supports storage of binary large objects, including pictures, sounds, or video. It has native programming interfaces for C/C++, Java, .Net, Perl, Python, Ruby, Tcl, and ODBC, among others, and exceptional documentation.


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2011-09-13 03:03

有几个主要的新功能在这个版本中,包括同步复制和复制功能等,每列的排序规则,未记录的表,扩展的K -近邻索引,序列化的快照隔离,公用表表达式可写,SE - Postgres的(军事级的安全性),PostgreSQL扩展网络,和SQL / MED(外部数据管理),ORACLE,MYSQL,CouchDB的,再分配,CSV,Twitter的,并与国外数据的包装。也有在性能和数据库管理的改进,和几个SQL和PL / pgSQL的功能。
标签: Stable, Major feature enhancements, 9.1.0
There are several major new features in this release, including synchronous replication and other replication features, per-column collations, unlogged tables, extensions, K-Nearest-Neighbor indexing, Serializable Snapshot Isolation, Writeable Common Table Expressions, SE-Postgres (Military-grade security), the PostgreSQL Extension Network, and SQL/MED (Management of External Data), with foreign data wrappers for Oracle, MySQL, CouchDB, Redis, CSV, Twitter, and more. There have also been improvements in performance and database administration, and several SQL and PL/PgSQL features.

2011-06-23 05:51

标签: Bugfixes
This is a bugfix release that fixes issues with pg_upgrade, non-hot-standby recovery, deadlock issues with catalog cache initialization, updates to time zone data files, and several other minor bugs.

2010-09-21 06:30

内置基于复制的日志传送。更简单的数据库对象的权限管理。 pg_upgrade支持就地升级。用于查询特定类型的多个性能增强。全面支持64位Windows。
标签: Stable
Built-in replication based on log shipping. Easier database object permissions management. pg_upgrade to support in-place upgrades. Multiple performance enhancements for specific types of queries. Full support for 64-bit Windows.

2009-12-15 06:52

标签: Bugfixes, security fixes
This is a security release, plus 48 minor bugfixes.

2009-09-09 23:56

This is a bugfix release.

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