SQL

SQL is the most widely used language in the fields of Data Engineering and Data Science.  The Data Engineering Academy help you improve your SQL skills by creating informative articles and posts.

5 Advanced SQL queries every Data Engineer & Scientist should know!

Over the years, I’ve worked on dozens of data engineering projects and these 5 advanced SQL queries have queries have gotten me out of few jams! Hope you find them useful 1. Using the SQL APPLY Operator Ever find yourself trying to find the last transaction, a set of customers made? Struggled with trying to

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