SQL Server has a long list of roles for server, database, and applications that outline things like permissions, data selection and modification, and disk management. Examine how roles play a part in ...

First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data work ...

Let's break down when it's ideal to use the NOLOCK hint and when you should never use it. As a consultant, I work on wide swaths of database systems, which means I get to see many, many SQL statements ...