How to handle NULL values in SQL ? | SQL COALESCE Function with examples

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In this lab we will show you how to implement COALESCE FUNCTION in SQL using MYSQL database. The null values are replaced with user-defined values during the expression evaluation process.

This is an one of the most important functions to know when do data cleaning step in your data analysis journey.

#sqlqueries #datanalysis
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Thank you for posting! This has helped me immensely.

tinanyongesa
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Why its required to change null to some value can i know that please

Shabzzz_videozzz