paul weegar (6/12/2009)

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Microsoft also has a FREE reporting tool called dashboard_performance that shows missing indexes, plus a lot more. It runs on SQL 2005 SP2 or above. Here is the link for those that are interested:

http://www.microsoft.com/downloads/details.aspx?FamilyId=1d3a4a0d-7e0c-4730-8204-e419218c1efc&displaylang=en

What I would like to know is, how reliable/accurate are the estimations? I ask because I have a large table (2.5 million+ rows). One of the columns is called iscom (have no idea what it is used for, as this database was created from a vendors application) which SQL Server thinks should be indexed for every query. Only problem is the only value in this column is 0. Plus I see that SQL Server reports that it wants indexes included on all fields....