Fixing Cardinality Estimation Errors with Filtered Statistics
Cardinality Estimation is one of the hidden gems in SQL Server. In general, Cardinality Estimation means that the Query Optimizer tries to find out during the query compilation, how many rows – on average – are returned from the various operators in the Execution Plan. This estimation is used to drive the plan generation itself …
Fixing Cardinality Estimation Errors with Filtered Statistics + read more
