SQL Server uses a cost-based _Query Optimizer_ (QO). For information on QO, see [Query processing architecture guide](/sql/relational-databases/query-processing ...

In this study, the effects of database normalization (first three normal forms - 1NF, 2NF, and 3NF) on the SQL query performance were put to the test. SQL performance was assesed following: query ...

I wrote a nice little ASP app a couple years ago that depends on another guy's database for user information. The view it polls is now timing out on me fairly frequently and in addition to getting him ...

An update to the cardinality estimator feature in SQL Server 2022 will be one of the biggest changes to the database engine since its inception. Database engines like SQL Server are incredibly complex ...