PostgreSQL Database Server 8.3.0

PostgreSQL Database Server 8.3.0 is a program functioning as an open source relational database system. It has more than 15 years of active development and a proven architecture that has earned it a strong reputation for reliability, data integrity, and correctness. It runs on all major operating systems, including Linux, UNIX (AIX, BSD, HP-UX, SGI IRIX, Mac OS X, Solaris, SunOS, Tru64), BeOS, and Windows. PostgreSQL Database server already embedded a useful GUI - PGadmin. If you want to import MS Access or other formats to PostgreSQL, you can install a Mac OS X GUI Navicat PostgreSQL

PostgreSQL is an open-source descendant of this original Berkeley code. Also, PostgreSQL can be extended by the user in many ways.

It supports a large part of the SQL:2003 standard and offers many modern features:

1. Complex queries
2. Foreign keys
3. Triggers
4. Views
5. Transactional integrity
6. Multiversion concurrency control