NOT (T-SQL)

Negates a Boolean input.

Syntax

[NOT] boolean_expression

Arguments
boolean_expression
Is any valid Microsoft® SQL Server™ Boolean expression.
Result Type

Boolean

Result Value

NOT reverses the value of any Boolean expression.

Remarks

The use of NOT negates an expression.

This table shows the results of comparing TRUE and FALSE values using the NOT operator.

  NOT
TRUE FALSE
FALSE TRUE
UNKNOWN UNKNOWN

Examples

This example finds all business and psychology books that do not have an advance over $5,500.

USE pubs

GO

SELECT title_id, type, advance

FROM titles

WHERE (type = 'business' OR type = 'psychology')

    AND NOT advance > $5500

ORDER BY title_id ASC

GO

  

Here is the result set:

title_id type         advance              

-------- ------------ ---------------------

BU1032   business     5000.0000

BU1111   business     5000.0000

BU7832   business     5000.0000

PS2091   psychology   2275.0000

PS3333   psychology   2000.0000

PS7777   psychology   4000.0000

  

(6 row(s) affected)

  

See Also
Expressions SELECT
Functions WHERE
Operators (Logical Operators)  

  


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