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 Indexing issue

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Posting Yak Master

168 Posts

Posted - 2006-03-03 : 09:58:32
Good afternoon all...

I have a table containing 72 million records. It's taking a while to delete a set of records from the table. The WHERE clause in my delete statement is base on two columns with each having a separate index. Is there any advantage in creating a new index based on the two columns in order to speed up the delete process?

Your advice would be greatly appreciated.

Slow But Sure Yak Herding Master

3608 Posts

Posted - 2006-03-03 : 10:26:17
No, indexes will slow your delete down, not speed it up as each index will need to be searched and updated as well as the rows being deleted..
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22859 Posts

Posted - 2006-03-04 : 01:31:59

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