PostgreSQL is a production-grade multi-platform SQL database system. The database system is ANSI SQL92/99 compliant. The software is freely downloadable at http://www.postgresql.org website and is licensed under the BSD open source license.
Installation
To install PosgreSQL on Ubuntu 9.04, issue the command:
# apt-get install postgresql
To start PostgreSQL, issue the command:
#/etc/init.d/postgresql-8.3 start
To restart PostgreSQL, issue the command:
#/etc/init.d/postgresql-8.3 restart
To stop PostgreSQL, issue the command:
#/etc/init.d/postgresql-8.3 stop
More Notes
a) Default port of PostgreSQL is "5342"
b) Default database administrator username is "postgres"
c) Default database template is "template1"
Limits
According to the PostgreSQL website, the following are PostgreSQL 8.3 limits:
| Limit | Value |
|---|---|
| Maximum Database Size | Unlimited |
| Maximum Table Size | 32 TB |
| Maximum Row Size | 1.6 TB |
| Maximum Field Size | 1 GB |
| Maximum Rows per Table | Unlimited |
| Maximum Columns per Table | 250 - 1600 depending on column types |
| Maximum Indexes per Table | Unlimited |
License Text
License
PostgreSQL is released under the BSD license.
PostgreSQL Database Management System(formerly known as Postgres, then as Postgres95)
Portions Copyright (c) 1996-2008, The PostgreSQL Global Development Group
Portions Copyright (c) 1994, The Regents of the University of California
Permission to use, copy, modify, and distribute this software and its documentation for any purpose, without fee, and without a written agreement is hereby granted, provided that the above copyright notice and this paragraph and the following two paragraphs appear in all copies.
IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING LOST PROFITS, ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATIONS TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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