pg.ddx.io  pgsql-sql@postgresql.org mailing list archive  
help / color / mirror / Atom feed
From: Wei Weng <wweng@kencast.com>
To: pgsql-sql@postgresql.org
Subject: question on JOIN and WHERE clause
Date: 30 May 2002 13:07:21 -0400
Message-ID: <1022778442.32670.1.camel@Monet> (raw)

Does the SQL optimizer process the JOIN first then add WHERE
constraintson it or it processes the WHERE clause and JOIN at the same
time?

Thanks!



-- 
Wei Weng
Network Software Engineer
KenCast Inc.





view thread (2+ messages)  latest in thread

Message-ID: <1022778442.32670.1.camel@Monet>
Permalink:  ../1022778442.32670.1.camel@Monet/
Also on:    postgresql.org/message-id/1022778442.32670.1.camel@Monet

 · 

reply

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Reply to all the recipients using the --to and --cc options:
  reply via email

  To: pgsql-sql@postgresql.org
  Cc: wweng@kencast.com
  Subject: Re: question on JOIN and WHERE clause
  In-Reply-To: <1022778442.32670.1.camel@Monet>

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox