square-transact-sql.md

title	description	author	ms.author	ms.date	ms.service	ms.subservice	ms.topic	f1_keywords	helpviewer_keywords	dev_langs	monikerRange
SQUARE (Transact-SQL)	SQUARE (Transact-SQL)	MikeRayMSFT	mikeray	03/03/2017	sql	t-sql	reference	SQUARE SQUARE_TSQL	SQUARE square values	TSQL	>= aps-pdw-2016 || = azure-sqldw-latest || >= sql-server-2016 || >= sql-server-linux-2017 || = azuresqldb-mi-current||=fabric

SQUARE (Transact-SQL)

[!INCLUDE sql-asdb-asdbmi-asa-pdw-fabricse-fabricdw]

Returns the square of the specified float value.

:::image type="icon" source="../../includes/media/topic-link-icon.svg" border="false"::: Transact-SQL syntax conventions

Syntax

SQUARE ( float_expression )  

Arguments

float_expression
Is an expression of type float or of a type that can be implicitly converted to float.

Return Types

float

Examples

The following example returns the volume of a cylinder having a radius of 1 inch and a height of 5 inches.

DECLARE @h FLOAT, @r FLOAT;  
SET @h = 5;  
SET @r = 1;  
SELECT PI()* SQUARE(@r)* @h AS 'Cyl Vol';  

[!INCLUDEssResult]

Cyl Vol  
--------------------------  
15.707963267948966  

Examples: [!INCLUDEssazuresynapse-md] and [!INCLUDEssPDW]

The following example returns the square of each value in the volume column in the containers table.

-- Uses AdventureWorks  
  
CREATE TABLE Containers (  
    ID INT NOT NULL,  
    Name VARCHAR(20),  
    Volume FLOAT(24));  
  
INSERT INTO Containers VALUES (1, 'Cylinder', '125.22');  
INSERT INTO Containers VALUES (2, 'Cube', '23.98');  
  
SELECT Name, SQUARE(Volume) AS VolSquared   
FROM Containers;  

[!INCLUDEssResult]

Name           VolSquared
-------------  ----------
Cylinder       15680.05
Cube             575.04

See Also

Mathematical Functions (Transact-SQL)