SQRT

Returns the square root of the specified float value.

Syntax

SQRT ( float_expression  )

Arguments

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

Return Type

Returns values of type FLOAT64.

Examples

Examples in this section use the example blockchain.

This example shows the results of using the SQRT function.

SELECT SQRT(real) FROM example;

Response:

SQRT(real) [FLOAT64]
NULL                  
0                     
1                     
1.4142135623730951