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NOT (Transact-SQL)

Negates a Boolean input.

Topic link iconTransact-SQL Syntax Conventions

Syntax

[ NOT ] boolean_expression

Arguments

  • boolean_expression
    Is any valid Boolean expression.

Result Types

Boolean

Result Value

NOT reverses the value of any Boolean expression.

Remarks

Using NOT negates an expression.

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

 

NOT

TRUE

FALSE

FALSE

TRUE

UNKNOWN

UNKNOWN

Examples

The following example finds all Silver colored bicycles that do not have a standard price over $400.

USE AdventureWorks;
GO
SELECT ProductID, Name, Color, StandardCost
FROM Production.Product
WHERE ProductNumber LIKE 'BK-%' AND Color = 'Silver' AND NOT StandardCost > 400;
GO

Here is the result set.

ProductID   Name                     Color         StandardCost          
---------   -------------------      ------      ------------
984         Mountain-500 Silver, 40  Silver        308.2179
985         Mountain-500 Silver, 42  Silver        308.2179
986         Mountain-500 Silver, 44  Silver        308.2179
987         Mountain-500 Silver, 48  Silver        308.2179
988         Mountain-500 Silver, 52  Silver        308.2179
(6 row(s) affected)