Re: [PHP] Re: the opposite of a join?

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Robert Cummings wrote:
On Wed, 2007-10-03 at 14:49 -0700, Jim Lucas wrote:
This is only from my own personal testing. Mind you that I have only been using PostgreSQL for a year or so. But one problem that I have always ran into with MySQL is that when JOIN'ing tables that have large data sets is a PITA.

Were you doing left joins when you experienced those problems? Left
joins are usually very fast.

If indexed properly of course ;)

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