Operator Syntax Description
= a = b True if both a and b are equal (excluding NULL).
!=, <> a != b, a <> b True if a is not equal to b.
> a > b True if a is greater than b.
< a < b True if a is less than b.
>= a >= b True if a is greater than or equal to b.
<= a <= b True if a is less than or equal to b.
<=> a <=> b True if a and b are equal (including NULL).
IS NULL a is NULL True if a contains a NULL value.
IS NOT NULL a IS NOT NULL True if a does not contain a NULL value.
BETWEEN a BETWEEN b and c True if a is between the values of b and c, inclusive.
NOT BETWEEN a NOT BETWEEN b and c True if a is not between the values of b and c, inclusive.
LIKE a LIKE b True if a matches b on an SQL pattern match.
NOT LIKE a NOT LIKE b True if a does not match b on an SQL pat-tern match. The two acceptable wildcard characters are % (which means any number of characters) and _ (which means one character).
IN a IN (b1, b2, b3...) True if a is equal to anything in the list.
NOT IN a NOT IN (b1,b2,b3...) True if a is not equal to anything in the list.
REGEXP, RLIKE a REGEXP b, a RLIKE b True if a matches b with a regular expression.
NOT REGEXP, NOT RLIKE a NOT REGEXP b, True if a does not match b with a regular expression.
a NOT RLIKE B
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