Mageshwaran wrote:
> Hi,
>
> In our company there are many postgres servers in 7.X version,we are in
> the process of upgrading to 8.1 version, can anyone tell me the
> method to do this upgradation.
You will want to use the 8.1 version of pg_dump/pg_dumpall to connect to
the 7.4 version of postgresql to do the restore. There is pretty good
docs on it here:
http://www.postgresql.org/docs/8.2/static/backup.html
You will want to be careful though, some things have changed since 7.4.
IIRC, timestamp/timestamptz changes, and float changes as well.
Sincerely,
Joshua D. Drake
>
>
> Regards
> J Mageshwara
> DBA
>
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