Important Points About MySQL COALESCE() Function

COALESCE function in MySQL

The COALESCE function in MySQL is used to get the first non-null value from a list of expressions....

Syntax

The MySQL COALESCE function syntax is:...

MySQL COALESCE() Function Examples

Let’s look at some examples of the COALESCE() function in MySQL and understand how to use COALESCE function....

Important Points About MySQL COALESCE() Function

MySQL COALESCE() function is used to return the first non-NULL value from a list of expressions. If all the expressions evaluate to NULL, the COALESCE() function will return NULL. COALESCE() can be used to substitute NULL values in table columns with a default value or an expression. COALESCE() is more flexible than IFNULL() as it can handle any number of arguments, while IFNULL() only takes two arguments....