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.
| Tags | Database Database Engines/Servers |
|---|---|
| Licenses | PostgreSQL License |
| Operating Systems | Linux FreeBSD OpenBSD Solaris HP-UX AIX Windows Mac OS X |
| Implementation | SQL |
| Translations | Japanese German Spanish Portuguese Russian French |


Release Notes: 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.


Release Notes: 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.


Release Notes: 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.


Release Notes: This is a security release, plus 48 minor bugfixes.


Release Notes: This is a bugfix release.
12 May 2009 01:51
jberkus: Are they hurting something?
Thanks,
Jeff
12 May 2009 00:35
Can we please purge the 7-year-old comments?
28 Feb 2009 17:20
Re: "Object" Relational?
> Why do they call it "Object"
> relational? Where is the
> "object" part?
Because PostgreSQL supports table inheritance.
You might want to look at the corresponding page in the documentation: Data Definition - Inheritance (http://www.postgresql.org/docs/8.3/static/ddl-inherit.html).
13 Dec 2007 05:47
Re: Nice
>
> % Its nice and works really good but
> % sometimes its really work slow and
> % that�s create a real problem
> %
> % --
> % Web directory
>
>
>
> Yes its really very irritating when it
> work slow but overall its a good
> project.
>
> --
> Reiki
>
Its working fine for me I have got no problems....A great project.
--
WOW Gold (http://www.wow-gold-price-list.com)
18 Jul 2003 04:54
"Object" Relational?
Why do they call it "Object" relational? Where is the "object" part?