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Archives: February 2010

NOT EXISTS vs NOT IN

Continuing with the mini-series on query operators, I want to have a look at NOT EXISTS and NOT IN.

Just one note before diving into that. The examples I’m using are fairly simplistic and that’s intentional. I’m trying to find what, if any, are the performance differences in a benchmark-style… Read more

2 comments, 2,407 reads

Posted in SQL In The Wild on 18 February 2010