Will performance of a SQL server degrade if the DB can't fit in the memory?

Posted by Carl Hörberg on Stack Overflow See other posts from Stack Overflow or by Carl Hörberg
Published on 2010-05-21T07:35:41Z Indexed on 2010/05/21 7:40 UTC
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Performance

Will the performance of a SQL server drastically degrade if the database is bigger than the RAM? Or does only the index have to fit in the memory? I know this is complex, but as a rule of thumb?

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