Re: does postgres has the same limitation as MySQL?

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От Jonah H. Harris
Тема Re: does postgres has the same limitation as MySQL?
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Msg-id 36e682920901051053n155e57ffhe62c109ba5b0165c@mail.gmail.com
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Ответ на Re: does postgres has the same limitation as MySQL?  (Chris Browne <cbbrowne@acm.org>)
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On Mon, Jan 5, 2009 at 12:05 PM, Chris Browne <cbbrowne@acm.org> wrote:
tekion <tekion@gmail.com> writes:
> I know that MySQL can only use one index at at time for query. Does
> Postgres has this same limitation? For example, the following query:

This is false for many cases since MySQL 5.0.

http://dev.mysql.com/doc/refman/5.0/en/index-merge-optimization.html

--
Jonah H. Harris, Senior DBA
myYearbook.com

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