Sums num1 and num2.
The left operand, as a string.
The right operand, as a string.
This optional parameter is used to set the number of digits after the decimal place in the result. If omitted, it will default to the scale set globally with the bcscale function, or fallback to 0 if this has not been set.
The sum of the two operands, as a string.
|8.0.0||scale is now nullable.|