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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, ...

Opinions expressed by Entrepreneur contributors are their own. Being a successful entrepreneur means you have to wear a lot of hats, especially when your company is just starting out and you don’t ...

If you're looking to learn a new skill or broaden your knowledge, we've rounded up some free ways to learn something new. There are tons of free online and app-based resources that can help you learn ...