power function
Applies to: 
Databricks SQL Databricks Runtime
Raises expr1 to the power of expr2. This function is a synonym for pow function.
Syntax
power(expr1, expr2)
Arguments
expr1: An expression that evaluates to a numeric.expr2: An expression that evaluates to a numeric.
Returns
A DOUBLE.
Examples
SQL
> SELECT pow(2, 3);
8