sqrt({n})

Returns the square root of a number n. The value n can be any non-negative numeric value in the range of 0 <= n <= 1.797e308.

sqrt({n}) takes the following syntax.

1SELECT sqrt(N) as AliasName
2FROM dataset;

Example 

This example returns the square root of 64.

1SELECT sqrt(64.0) as SqrtExample FROM Superstore
2LIMIT 1;
SqrtExample
8.0