Here’s how to master the handling of NULL values without using the COALESCE SQL clause.
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COALESCE SQL Query Explained
The COALESCE SQL statement allows us to perform operations on NULL values. Here’s what it is, how it works, and why you need to pay attention to it.
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The MySQL Server – mysqld
In this blog, we discuss the ins and outs of the MySQL daemon and tell you how best to improve MySQL performance & security.
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