Operator of the Week - Spools, Eager Spool

Posted on Simple Talk See other posts from Simple Talk
Published on 20 May 2010 Indexed on 2010/05/21 15:41 UTC
Read the original article Hit count: 375

Filed under:
For the fifth part of Fabiano's mission to describe the major Showplan Operators used by SQL Server's Query Optimiser, he introduces the spool operators and particularly the Eager Spool, explains blocking and non-blocking and then describes how the Halloween Problem is avoided.

© Simple Talk or respective owner

Related posts about Learn SQL Server