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One of the many interesting topics I found while working as technical editor of the SQL Server 2008 Internals book was the concept of contradiction detection. So, in this post I will to try to expand on this topic and provide some additional examples.
Contradiction detection is performed by SQL Server during the early steps of the query optimization process. During this process the Query Optimizer tries to find contradictions that can be removed and can make the query perform better. Since these ...
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