been there, done that =)

i find the EXPLAIN function in mysql extremely helpful as it can show you which index it will use.
also, with USING (indexname) you can force mysql to use a specific index if it isn't clever enough to find it out by itself. don't know, which DBMS you're working on.

In reply to Re: (OT) Don't blow that index dude. by tinita
in thread (OT) Don't blow that index dude. by demerphq

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