Can someone explain what is data normalization in simple terms? or What is data normalization and why

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Wow, thanks everyone! This makes way more sense now—especially the closet analogy lol.

I tried normalizing a dummy dataset in SQLite like some of you suggested, and it’s already feeling cleaner. Still wrapping my head around when to denormalize, though.

Quick follow-up: Any rule of thumb for when to stop normalizing? Like, is 3NF usually enough for most apps?

(Also, big thanks for the tool recs—Lucidchart’s been a lifesaver!)

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