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.

Relational (SQL) databases store data in tables with strictly-defined relationships between tables. Non-relational (NoSQL) databases are more flexible and allow for less organized and less ...

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.

The database is not immediately accessed directly, but threat actors learn enough about a system to work out what they want to know. Blind SQL injections are also known as inferential SQL injections, ...

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.

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.