Missing indexes are one reason why an SQL query takes longer (much longer) to complete. Here's how to find out about them and fix the problem. In my previous article, Identifying your slowest SQL ...

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 ...

Indexes typically improve performance, however if all the columns required by a query are not on the index, some data is obtained from the underlying table via a key lookup. When a ‘large’ amount of ...

As today’s database administrators (DBAs) manage the complexity of modern database environments, particularly containerized systems, they must lean into smart automation to transform database ...

SQL Server Drill Down explores all aspects of Microsoft SQL Server and related applications, with a particular emphasis on issues of interest to SQL Server data professionals. Key areas of focus ...