SQL, the Structured Query Language, remains one of the most widely used programming languages, coming in fourth in Stack Overflow’s research for 2023. Just over half (51.52%) of professional ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

This article explains how to repair the MDF file using the native repair methods and how to use a Reliable MDF file Repair ...

Do you want to find out how to avoid duplicates in the results of a SQL SELECT query? This article will show you how. Simply use the DISTINCT clause and between the SELECT clause and the fields.

We list the best SQL online courses, to make it simple and easy to learn how to mange, code, and run databases, covering everything from beginner to advanced users. The Structured Query Language or ...