Have a look at the pg_stat_user_tables table.
On Fri, 11 Jul 2008, Campbell, Lance wrote:
> PostgreSQL: 8.2
>
> How can I identify how many inserts and updates are being done in a
> given time frame for a database?
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> Thanks,
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>
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> Lance Campbell
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> Project Manager/Software Architect
>
> Web Services at Public Affairs
>
> University of Illinois
>
> 217.333.0382
>
> http://webservices.uiuc.edu
>
> My e-mail address has changed to lance(at)illinois(dot)edu
>
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>