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YouTubeSysSketch
Your database never scans. Here's why.
Your database has 100 million rows and finds the one you want in under a millisecond — without checking any of the others. Here's the data structure that makes that possible. **What you'll learn in 41 seconds:** - Why linear scans fail completely at scale - What a B-Tree index actually is and how it's structured - How a 3-level tree handles ...
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