MySQL – NOT EQUAL Operator Table of content MySQL NOT EQUAL Operator The MySQL NOT EQUAL operator is used to compare two values and return true if they are not equal. It is represented by “<>” and “!=”. The difference between these two is that <> follows the ISO standard, but != doesn”t. So, it […]

MySQL – Exists Operator Table of content MySQL Exists Operator The EXISTS operator in MySQL checks for the existence of a record in a table. It”s used in the WHERE clause of a SELECT statement to verify if a subquery returns any rows. It returns TRUE if the subquery returns at least one record, else […]

MySQL – NOT Operator Table of content MySQL NOT Operator MySQL NOT is a logical operator that allows us to exclude specific conditions or expressions from a WHERE clause. This operator is often used when we need to specify what NOT to include in the result table rather than what to include. Suppose we take […]