square-transact-sql.md

title	SQUARE (Transact-SQL) | Microsoft Docs
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ms.date	03/03/2017
ms.prod	sql-non-specified
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ms.technology	database-engine
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ms.topic	language-reference
f1_keywords	SQUARE SQUARE_TSQL
dev_langs	TSQL
helpviewer_keywords	SQUARE square values
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author	BYHAM
ms.author	rickbyh
manager	jhubbard

SQUARE (Transact-SQL)

[!INCLUDEtsql-appliesto-ss2008-xxxx-asdw-pdw_md]

Returns the square of the specified float value.

Transact-SQL Syntax Conventions

Syntax

-- Syntax for SQL Server, Azure SQL Data Warehouse, Parallel Data Warehouse  
  
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: [!INCLUDEssSDWfull] 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)