SQRT

Returns the square root of a numeric expression.

Syntax 

SQRT(<value>);

Parameters

Parameter Description Supported input types
<value> Value that the SQRT function is applied to DOUBLE PRECISION

Notes

  • When input value is integer data type, it is implicitly converted to DOUBLE PRECISION.
  • When input value is NUMERIC, the SQRT function returns an error.
  • When input value is negative, the SQRT function returns an error.

Return Types

DOUBLE PRECISION.

Example

The following example returns the square root of 64:

SELECT
    SQRT(64);

Returns: 8