1.  Arithmetic Operators
2. Comparison Operators
3. Logical Operators

SQL Arithmetic Operators

Addition	+, add two value
Subtraction	-, Subtracts right hand operand from left hand operand.
Multiplication	*, Multiply two value
Division	/, Divides left hand operand by right hand operand
Modulus	% , Divides left hand operand by right hand operand and returns the remainder

SQL Comparison Operators

 

 

<	Less than
>	Greater than
<=	Less than or equal
>=	Greater than or equal
=	Equal
!=	Not equal
<>	Not equal
!<	Not less than
>!	Not greater than

SQL Logical Operators

 

ALL
ANY
AND
OR
IN
BETWEEN
EXISTS
LIKE
NOT
UNIQUE
IS NULL