Overview: SQL remains a core skill for data management across industries in 2026Free courses build fundamentals while paid ...

SQL stands for ‘Structured Query Language’. This is basically a declarative language used for storing and retrieving data in a database. If you’ve heard of SQL, it’s probably in the context of MySQL, ...

Ok, I'm at a client site where they want to make a program database independent. This is a rewrite of an existing program that used an Access database only. I asked the person in charge how they were ...

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 ...