Comparison Functions and Operators

Comparison Functions and Operators : Introduction : Comparison Functions Operators MySQL TUTORIALS

Comparison operations result in a value of 1 (TRUE), 0 (FALSE), or NULL.

Comparison Functions and Operators work for both numbers and strings.

Strings are converted to numbers and numbers to strings as necessary.

By default, string comparisons are not case sensitive and use the current character set.

Name	Description
BETWEEN AND	Check whether a value is within a range of values
COALESCE()	Return the first non-NULL argument
	NULL-safe equal to operator
=	Equal operator
>=	Greater than or equal operator
>	Greater than operator
GREATEST()	Return the largest argument
IN	Check whether a value is within a set of values
INTERVAL()	Return the index of the argument that is less than the first argument
IS NULL	NULL value test
IS	Test a value against a boolean
ISNULL()	Test whether the argument is NULL
LEAST()	Return the smallest argument
	Less than or equal operator
	Less than operator
LIKE	Simple pattern matching
NOT BETWEEN ... AND ...	Check whether a value is not within a range of values
!=,	Not equal operator
NOT IN	Check whether a value is not within a set of values
NOT LIKE	Negation of simple pattern matching
SOUNDS LIKE	Compare sounds