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how to download linux 7.3 image file(means os) ?

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Mohd.Ghalib Akhtar
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----- Original Message ----
From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Peter Eisentraut <peter_e(at)gmx(dot)net>
Cc: pgsql-sql(at)postgresql(dot)org
Sent: Tuesday, July 10, 2007 9:15:20 PM
Subject: Re: [SQL] Database system identifier from SQL

Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
> Tom Lane wrote:
>> Peter Eisentraut <peter_e(at)gmx(dot)net> writes:
>>> Is there a way to query the database system identifier that
>>> pg_controldata outputs from SQL?
>>
>> Don't think so. Do you have a use-case for providing a function to
>> return that?

> I'd like to find out whether two connections are really to the same
> server.

Hmm. Seems a bit of an odd case, but on the other hand there might be
applications for it in connection with management of backups and
WAL-shipping and so forth. I have no objection to adding a function.

regards, tom lane

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