The Smart Way to Find Duplicates in SQL (No GROUP BY Needed)

Manish Sharma · Beginner ·📊 Data Analytics & Business Intelligence ·1w ago
Stop using generic internet solutions and start learning real SQL for finding duplicates. This video exposes common errors in handling duplicate rows in SQL, particularly when using flawed internet methods. We'll show you how to efficiently delete duplicate rows in SQL using window functions like `COUNT(*) OVER` and other analytic function techniques, crucial for anyone preparing for sql interview questions or improving their data analysis skills. Most people solve duplicates using GROUP BY and HAVING. It works… until your table has millions of rows. Then suddenly, your query is doing full s…
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