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PostgreSQL is a robust, next-generation, Object-Relational DBMS (ORDBMS),
derived from the Berkeley Postgres database management system. While
PostgreSQL retains the powerful object-relational data model, rich data types
and easy extensibility of Postgres, it replaces the PostQuel query language
with an extended subset of SQL.
The original Postgres code was the effort of many graduate students,
undergraduate students, and staff programmers working under the direction of
Professor Michael Stonebraker at the University of California, Berkeley. In
1995, Andrew Yu and Jolly Chen took on the task of converting the DBMS query
language to SQL and created a new database system which came to known as
Postgres95. Many others contributed to the porting, testing, debugging and
enhancement of the Postgres95 code. As the code improved, and 1995 faded into
memory, PostgreSQL was born.
PostgreSQL development is presently being performed by a team of Internet
developers who are now responsible for all current and future development. The
development team coordinator is Marc G. Fournier (scrappy@PostgreSQL.ORG).
Support is available from the PostgreSQL developer/user community through the
support mailing list (questions@PostgreSQL.ORG).
PostgreSQL is free and the complete source is available.
WWW: http://www.postgresql.org
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