Some of the open source application comes with postgreSQL database. To maintain those application, companies may not hire a fulltime postgreSQL DBA. Instead they may request the existing Oracle DBA, or Linux system administrator, or programmers to maintain the potgreSQL. In this article let discuss about the 15 practical postgresql database commands which will be useful to both DBA and expert psql users.

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http://www.thegeekstuff.com/2009/05/15-advanced-postgresql-commands-with-examples/