Key vs Non-Key Column Indexing
Hussein Nasser dives into the nitty-gritty of database indexing, breaking down what makes a column “key” or “non-key” and showing how tacking extra non-key columns onto your indexes can seriously speed up queries. You’ll get clear examples, performance tips, and best-practice advice to squeeze more efficiency out of your database.
He also peppers the video description with handy resources—YouTube membership perks, exclusive content playlists, his backend engineering courses and podcast, plus all the gear he uses for recording (mic, camera, audio interface, you name it). It’s a one-stop shop for leveling up both your DB skills and your content creation setup.
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