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  • Blog Post: Query Hash Statistics, a query cost analysis tool, now available for download

    Some time ago I described the query fingerprint and query plan fingerprint (a.k.a. query hash / query plan hash) features that were added in SQL Server 2008. A fingerprint identifies all queries or all plans that have the same “shape”. With query fingerprints you can get the cumulative cost...
  • Blog Post: SQL Server Sizing Resources

    Recently, I was asked whether Microsoft had any SQL Server hardware sizing tools. The asker referred me to http://www.sizinglounge.com as an example of what he was looking for. (Sizing Lounge apparently allows you to select an app like SAP or Exchange, answer a couple of questions about things like concurrent...
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