A fundamental skill for DBAs is to have a firm understanding of the SQL Server database engine's system databases. Tim Chapman discusses these system databases.

SQL injection is widely known and, because so much data in databases is sensitive, can be extraordinarily high-impact. Why do developers keep writing such bugs?

How SQL Works SQL, the structured query language, is a programming language for communicating with databases.

How it works SQL Slammer exploits the way in which MS SQL servers process input on SQL Server Resolution Service port 1434. A specially crafted packet of only 376 bytes sent over the Internet can ...

Joey on SQL Server How To Automate Tasks in Azure SQL Database Knowing how to automate tasks in the cloud will make you a more productive DBA.

How to Restore a SQL Database From a .MDF File. Computer database software such as Microsoft's SQL Server benefits all types of businesses, as it makes recordkeeping fast, flexible and secure.

Hand-authored SQL queries can be clumsy to use, since databases and software applications tend to live in separate conceptual worlds. It’s hard to model how your app and your data work together.

In this second delve into data cleanliness (read the first, How clean is your data?, here), we’ll test-drive the data profiling tool provided with Microsoft SQL Server.