Execution plan of a server query. As you can see in the above execution plan, SQL Server has highlighted a missing index that it thinks would help our query improve.

SQL Server Profiler is a separate application that lets you view the queries being run on the SQL Server ... The first step is to look at the execution plan for the query and see if there are any ...

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) a query.

Function inlining in SQL Server 2019 Starting with SQL Server 2019, scalar functions written in T-SQL may be inlined. This means they will be folded into the query and no longer incur the UDF ...