SQUARE (Transact-SQL)

Returns the square of the specified float value.

Syntax

SQUARE ( float_expression )

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

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
--------------------------
15.707963267948966