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The U.S. Census records such an incredible, intimidating volume of data points about American life that is is hard to know where to begin. This guide aims to explain how Census data is organized, how to find important and interesting data points, and how the data is distilled and displayed by journalism outlets.

This this first unit of SQL lessons, we cover the syntax and concepts to fetch, sort, and -- as we've done using spreadsheet functions -- transform data values.