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Then why do you need to do an "INSERT ... IF NOT EXISTS"? (Note that if you're trying to enforce the uniqueness of some combination of columns, you can make the index on all of the columns; maybe this is what you mean.)

In reply to Re: Re: Re: How to count rows using DBI & mysql - Performance results by hding
in thread How to count rows using DBI & mysql - Performance results by Brovnik

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