NOT (Transact-SQL)

NOT (Transact-SQL)

 

THIS TOPIC APPLIES TO: yesSQL Server (starting with 2008) yesAzure SQL Database yesAzure SQL Data Warehouse yesParallel Data Warehouse

Negates a Boolean input.

Topic link icon Transact-SQL Syntax Conventions


[ NOT ] boolean_expression
-- Azure SQL Data Warehouse and Parallel Data Warehouse
[ 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.

-- Uses AdventureWorks

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)

The following example restricts results to SalesOrderNumber to values starting with SO6 and ProductKeys greater than or equal to 400.

-- Uses AdventureWorks

SELECT ProductKey, CustomerKey, OrderDateKey, ShipDateKey
FROM FactInternetSales
WHERE SalesOrderNumber LIKE 'SO6%' AND NOT ProductKey < 400;

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