Function returns Null if either argument is Null. Function uses string comparisons if either argument is a string.
Function uses numeric comparisons if both arguments are numeric.
First of two values, the maximum of which will be returned. Function returns Null if vOne is Null. Second of two values, the maximum of which will be returned. Function returns Null if vTwo is Null. Specifies the type of comparisons used to determine if strings match when comparing string arguments.