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SQUARE (Transact-SQL)


Applies To: SQL Server 2014, SQL Server 2016 Preview

Returns the square of the specified float value.

Applies to: SQL Server (SQL Server 2008 through current version), Azure SQL Data Warehouse Public Preview.

Topic link icon Transact-SQL Syntax Conventions

SQUARE ( float_expression )


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

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

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