Given the choice 8 out of 10 Optimisers prefer.........

Posted by GrumpyOldDBA on SQL Blogcasts See other posts from SQL Blogcasts or by GrumpyOldDBA
Published on Fri, 04 Jun 2010 11:04:00 GMT Indexed on 2010/06/05 6:03 UTC
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General Tuning

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indexes

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sql2008

Did you know that included columns do not partake in the uniqueness of a unique index? ( see below ) A few months ago we upgraded our major production system from SQL2000 to SQL2008, this has allowed me to apply some of the index tuning techniques I devised for SQL2005 way back when to the current environment now we're confident we have no unexpected surprises to surface. Amongst the techniques I use is to pull information from the dmvs to find tables ( and indexes ) which are getting high numbers...(read more)

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