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MySQL 5.5 Reference Manual
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12.3 Operators

Table 12.2 Operators

Name Description
& Bitwise AND
> Greater than operator
>> Right shift
>= Greater than or equal operator
< Less than operator
<>, != Not equal operator
<< Left shift
<= Less than or equal operator
<=> NULL-safe equal to operator
%, MOD Modulo operator
* Multiplication operator
+ Addition operator
- Minus operator
- Change the sign of the argument
/ Division operator
:= Assign a value
= Assign a value (as part of a SET statement, or as part of the SET clause in an UPDATE statement)
= Equal operator
^ Bitwise XOR
AND, && Logical AND
BETWEEN ... AND ... Whether a value is within a range of values
BINARY Cast a string to a binary string
CASE Case operator
DIV Integer division
IN() Whether a value is within a set of values
IS Test a value against a boolean
IS NOT Test a value against a boolean
IS NOT NULL NOT NULL value test
IS NULL NULL value test
LIKE Simple pattern matching
NOT, ! Negates value
NOT BETWEEN ... AND ... Whether a value is not within a range of values
NOT IN() Whether a value is not within a set of values
NOT LIKE Negation of simple pattern matching
NOT REGEXP Negation of REGEXP
OR, || Logical OR
REGEXP Whether string matches regular expression
RLIKE Whether string matches regular expression
SOUNDS LIKE Compare sounds
XOR Logical XOR
| Bitwise OR
~ Bitwise inversion