Showplan Operator of the Week - Lazy Spool

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Published on 10 June 2010 Indexed on 2010/06/11 19:03 UTC
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Continuing to illuminate the depths of SQL Server's Query Optimizer, Fabiano shines a light on the sixth major Showplan Operator on his list: the Lazy Spool. What does the Lazy Spool do that's so special, how does the Query Optimizer use it, and why is it so Lazy? Fabiano explains all...

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