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  • SQL Operators | Arithmetic, Comparison
    & Logical Operator

    SQL operators are used to perform operations like comparisons and arithmetic operations.

    there are three types of operators in SQL

    SQL Operators

    Arithmetic operators

    SQL Arithmetic operator are the operators which are used for mathematical calculation like addition, subtraction etc. 

    Suppose x= 10 and y =30

    Operator

    Description

    Example

    +

    Addition

    x+y= 40

    Subtraction

    x-y= -20

    *

    Multiplication

    x*y=300

    /

    Division

    y/x= 3

    %

    Modulo

    y%x=0

    Logical operators

    Logical operators are the operators which are used for logical operations

    Operator

    Description

    ALL

    compare a value to all values in another value set

    AND

    For a row to be selected all the specified conditions must be true

    BETWEEN

    search for values which are within a set of values

    IN

    Allows multiple values in a WHERE clause.

    LIKE

    used to compare a value to similar values using wildcard operators.

    NOT

    For a row to be selected all the specified conditions must be false

    OR

    For a row to be selected at least one of the conditions must be true

    EXISTS

    Condition is met if subquery returns at least one row

    Relational Operators

    Relational Operators are used to compare the values of two columns in SQL statements.

    Operator

    Description

    =

    Equal

    <=

    Less Than or Equal

    >=

    Greater Than or Equal

    <> or !=

    Not Equal

    < 

    Less Than

    > 

    Greater Than




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