28. Mastering NULL Values in SQL: COALESCE vs IFNULL Explained with Examples in Tamil
6:55
YouTubeDataCraft Tamil
28. Mastering NULL Values in SQL: COALESCE vs IFNULL Explained with Examples in Tamil
In this video, you'll learn how to effectively handle NULL values in SQL using two powerful functions: COALESCE and IFNULL. These functions are essential for data cleaning, transformation, and accurate reporting in your SQL queries. We break down the differences, syntax, and practical examples so you can apply them confidently in real-world ...
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