How to handle NULL values in SQL SQL COALESCE Function with examples
YOUR LINK HERE:
http://youtube.com/watch?v=I3p3GZaTZ9w
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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