# PostgreSQL User's Guide

Covering v7.0 for general release
The PostgreSQL Development Team
Thomas
Lockhart
Caltech/JPL
(last updated 2000-05-01)

PostgreSQL is Copyright © 1996-2000 by PostgreSQL Inc.

## Summary

Postgres, developed originally in the UC Berkeley Computer Science Department, pioneered many of the object-relational concepts now becoming available in some commercial databases. It provides SQL92/SQL3 language support, transaction integrity, and type extensibility. PostgreSQL is an open-source descendant of this original Berkeley code.

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