f_ernestog (1/29/2013)
I added parameter sniffing to the SP
Totally confused. Parameter sniffing is on by default for all stored procedures and parameterized queries. It requires a traceflag to turn it off, and does so for the entire server. So... I'm happy that you've solved the problem, but I'm utterly confused about what you did.
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Author of:
SQL Server Execution Plans
SQL Server Query Performance Tuning