Day 17: SELF JOIN 🔁
Sometimes, you’ve got to connect with yourself — even in SQL! 💡
Learn how SELF JOIN helps compare rows within the same table. 👩‍💻

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Day 19: SQL CASE Statement 🧩
Add logic to your queries like a pro! 💡
With CASE, you can turn data into meaningful insights — just like IF-ELSE in SQL! 🔥

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