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NOT (Transact-SQL)

Negates a Boolean input.

Topic link icon Transact-SQL Syntax Conventions

[ NOT ] boolean_expression
boolean_expression

Is any valid Boolean expression.

NOT reverses the value of any Boolean expression.

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

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

USE AdventureWorks2012;
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)

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