SQL, the popular programming language used to manage data in a relational database, is used in a ton of apps. Khan Academy’s introductory course to SQL will get you started writing SQL in an ...

SQL is the world’s most popular language for managing and manipulating databases. Today, Codecademy launched a free Learn SQL interactive course that will teach you the basics of tables, queries, ...

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