am Sat, dem 03.11.2007, um 11:09:05 +0400 mailte rihad folgendes:
> Hi,
>
> Should an index be used on a created_at timestamp column if you know you
> will be using "ORDER BY created_at ASC|DESC" from time to time?
Yes. And you should use EXPLAIN.
Andreas
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Andreas Kretschmer
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