SQRT

The SQRT function returns the square root of the input argument.

Syntax

SQRT (argument) 

Remarks

The table lists the valid input argument data types and the resulting output data types.

Data Type of Argument	Output Type	Notes
BIGINT, DECIMAL, FLOAT, INTEGER, NUMERIC, REAL, SMALLINT, TINYINT	FLOAT	Input value must not be negative. Output value is greater than or equal to 0.
NULL	NULL

Example

SELECT SQRT(6);

The result is 2.449489742783178.