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SQL // Database questions
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Wabz
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O.P. SQL // Database questions
At the moment I'm doing databases and SQL  I understand most of what can and can't be done. But one thing really confuses me

How to use indexing.

I understandish how it works by creating unique records with more than just a primary key.

Like you can't use a compisite key to have the same person on the same date going to the same event  (if that makes sense)  as that person could aslo uniquely be sent to a different event on the same day.

But I just can't work out how indexing helps the situation.
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SQL // Database questions - by Wabz on 12-09-2005 at 02:09 PM
RE: SQL // Database questions - by RaceProUK on 12-10-2005 at 12:34 AM


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