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Shelley Doll finishes her coverage of SQL data types with an overview of datetime and interval data types. Learn more about the basic syntax of these standard SQL types.

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 ...

Learn how to master the SELECT statement to form truly useful data queries. This article explains functions, clauses, and keywords that will make your life a lot easier.

2. SQL, Codecademy (free or $19.99/month for a Codecamy pro account*) What you’ll learn: SQL basics like manipulation and queries through real-world projects and data sets.

From Youtube tutorials about SQL to Udemy courses about Excel, there are lots of ways to learn the most common software needed for high-paying jobs.

Learning SQL (Structured Query Language), is one way to do that, no matter what role you have within an organisation, even the basics will give you an edge.