what is "cost"?

From: Gregory Holston <holston(at)itd(dot)nrl(dot)navy(dot)mil>
To: pgsql-sql(at)hub(dot)org
Subject: what is "cost"?
Date: 1999-04-23 20:09:24
Message-ID: Pine.SUN.3.91.990423160744.17226A-100000@shell
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Hi All,

I just did an explain and was wondering what is meant by cost. I just
got a 72.983 cost from a query I found not working. Any info or pointers
would be appreciated.

Thanks,

-Greg

Running:Apache/1.3.1 (Unix) PHP/3.0.3 Postgres 6.2

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