"Shivaji S" <s.shivaji@rediffmail.com> writes:
> tom thanks for the input ,but the below queries doesn't support for my post=
> gres version 7.1.1
7.1.1? Egad. Update to something remotely modern, before it eats
your data. The list of bugs fixed since then would curl your toes.
See for yourself:
http://developer.postgresql.org/docs/postgres/release.html
regards, tom lane