SQUARE (Transact-SQL)

Applies to: yesSQL Server (all supported versions) YesAzure SQL Database YesAzure SQL Managed Instance yesAzure Synapse Analytics yesParallel Data Warehouse

Returns the square of the specified float value.

Topic link icon Transact-SQL Syntax Conventions

Syntax

SQUARE ( float_expression )  

Note

To view Transact-SQL syntax for SQL Server 2014 and earlier, see Previous versions documentation.

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: Azure Synapse Analytics and Parallel Data Warehouse

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;  

Here is the result set.

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

See Also

Mathematical Functions (Transact-SQL)