PostgreSQL

database /'post-gres-kyu-el/ An enhancement of the

POSTGRES database system.

PostgreSQL is an advanced relational database managementsystem with some object oriented approaches. PostgreSQL is

developed and distributed as free software, and while

retaining its freedom it remains technically and featurewise a

worthy competitor to even the most advanced commercial

alternatives.

It was also one of the first databases to offer MVCC as

opposed to row-level locking or table locking, thereby

greatly improving multi-user performance.

PostgreSQL implements an extended subset of ANSI SQL and

runs on many platforms. It also has interfaces to many

different programming languages and database protocols,

like ODBC and JDBC.

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(1999-09-18)