How can understanding wait statistics improve query performance in SQL Server? Understanding wait statistics allows the data professional to tune individual queries or, if necessary, to tune ...

Tim Chapman discusses your iteration choices in SQL Server 2008 and explains why determining which option performs better depends on the situation.

PolyBase, a data virtualization feature for SQL Server, allows users to seamlessly query data from various external sources directly using T-SQL (Transact-SQL) without the need for separate client ...

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.

When you use index views in the right situations, they can dramatically improve the performance of SQL Server queries. Tim Chapman explains why performance testing is the best way to tell if ...