Finally, the other major area of memory (in SQL Server) is known as the execution plan cache, which stores the compiled order of operations the database uses to return the results of your queries.

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This not only clutters T-SQL code, but forces the execution plan to use an index scan. In SQL Server 2022, we have a new IS DISTINCT FROM and IS NOT DISTINCT FROM syntax that not only handles both ...

SQL Server has an optimizer that usually does a great job of optimizing code for the most effective execution. A query execution plan is the breakdown of how the optimizer will run (or ran ...

Unfortunately, SQL Server never fully integrated scalar UDF support into its execution plan generator. This means it would often perform unnecessary work such as executing a deterministic function ...