Postgre SQL
PostgreSQL is a descendant of Postgres, which was written under the leadership of Michael Stonebraker at the University of California at Berkeley.
Most likely, PostgreSQL version 6.4.2 was installed on your system when you installed Red Hat Linux 6 (see the next section).
As I mentioned earlier, PostgreSQL is not public domain software. The Regents of the University of California own the copyright to PostgreSQL. They have granted general permission to "use, copy, modify, and distribute" PostgreSQL and its documentation at no cost provided their copyright notice and two specific paragraphs of legalese appear in all copies. For more information on the PostgreSQL license, and for information on PostgreSQL in general, visit
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access