The following guides are available. They discuss general concepts and apply to all platforms that use the SQL Database Engine, unless stated otherwise in the respective guide. Use these guides to ...

At the top of every article in SQL Docs, you'll see a section after the heading to explain which products the article applies to. The SQL Docs content covers several product lines that share the SQL ...

SQL JOINs are fundamental commands used to combine rows from two or more tables based on related columns. They enable powerful data retrieval across relational databases, essential for reporting, ...

SQL, which stands for Structured Query Language, is a standardized programming language used for managing and manipulating relational databases. It allows users to interact with databases, perform ...

The Extended Security Updates (ESU) program is a last resort paid option for customers who need to run certain legacy Microsoft products past the end of support. They are not intended as a long-term ...