Not knowing SQL window functions limits your data analysis options. Want to do more than basic analysis? Our latest guide covers everything you need to master window functions: OVER(), PARTITION BY, ORDER BY, and more.
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🖥️Indexes in SQL are used to speed up #SQLqueries.
🔎In this Socratica video we use a table with 100 million rows to illustrate how much an index can change the speed of a query.
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#SQLtutorial#codingVideos#learnSQL
Registration for the SQL beginners course is currently ongoing, and just as you might have one or two questions holding you back from registering, you now have your answers.
If you have any other questions about this class, please share them in DM or the comments.