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What is SQL? Here's what SQL is & how to learn SQL for beginners with no experience for free! Data analysts use SQL to select and manipulate data from databases, which are not the same thing as an Excel spreadsheet (they're WAY bigger!). SQL is the easiest coding language because there are only about 30 commands total. But because it's coding, it sounds intimidating, so the supply of people who know how to use it is MUCH smaller than the demand for data analyst jobs. Right now in the US alone th