Primary vs Secondary Keys, Simplified
Hussein Nasser unpacks the core differences between primary and secondary database keys, showing you how each impacts lookup speed, indexing, and overall performance. Expect easy-to-grasp examples on when to use one over the other and why it really matters in real-world apps.
How to Support & What’s Behind the Scenes
If you love the content, you can chip in via PayPal, join his YouTube membership, or dive into his backend and database engineering courses. He also shares the exact gear he uses—Shure SM7B mic, Canon M50 camera, Canva for design, plus all the cables and audio/video goodies that make his lectures shine.
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