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08-29-2005, 04:09 PM

Marco van Herwaarden Marco van Herwaarden is offline

Join Date: Jul 2004

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You could do something like:
[sql]DELETE FROM mytable
WHERE NOT EXISTS (select threadid FROM thread WHERE thread.threadid = mytable.threadid)[/sql]
The above will only work for MySQL 4.1 (or was it 4.0) and above.

PS This was not tested, so use on a test database first.

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X vBulletin 3.8.12 by vBS Debug Information

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X vBulletin 3.8.12 by vBS Debug Information
Page Generation 0.03025 seconds Memory Usage 2,177KB Queries Executed 12 (?)
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