SQUARE (Transact-SQL)

**APPLIES TO:** ![yes](media/yes.png)SQL Server (starting with 2008) ![no](media/no.png)Azure SQL Database ![yes](media/yes.png)Azure SQL Data Warehouse ![yes](media/yes.png)Parallel Data Warehouse

Returns the square of the specified float value.

Topic link icon 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';

Here is the result set.

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;