Mysql Not Equal Operator. The or operator displays a record if any of the conditions separated by or is true.; The not equal operator will return 1 to represent true and 0 to represent false in some database engines.
That is, it tests whether one expression is not equal to another expression. The example below describes how to use this operator in various conditions: Introduction mysql comparison operators intro mysql = mysql <=> mysql <>, != mysql <= mysql < mysql >= mysql > mysql between and mysql not between and mysql in mysql not in mysql is boolean mysql is not boolean mysql is null mysql is not null mysql logical operators.