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Re: Using Explain

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: "P(dot) Dwayne Miller" <dmiller(at)espgroup(dot)net>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: Using Explain
Date: 2001-07-05 16:10:51
Message-ID: 3330.994349451@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackers
"P. Dwayne Miller" <dmiller(at)espgroup(dot)net> writes:
> Any places to look that might explain the results of explain?

http://www.ca.postgresql.org/users-lounge/docs/7.1/postgres/performance-tips.html

If you're still confused, feel free to post the query, table schemas,
and EXPLAIN output.

BTW, have you run VACUUM ANALYZE?  If not, you're unlikely to get a
good plan.

			regards, tom lane

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