Re: count * performance issue

sathiya psql wrote:
> count(*) tooks much time...
>
> but with the where clause we can make this to use indexing,... what
> where clause we can use??
>
> Am using postgres 7.4 in Debian OS with 1 GB RAM,
>
> am having a table with nearly 50 lakh records,

Looks suspiciously like a question asked yesterday:

http://archives.postgresql.org/pgsql-performance/2008-03/msg00068.php

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