2.28 @STRCMPNULL

Use the @STRCMPNULL in the same way as @STRCMP function to compare two character columns or literal strings, but if the arguments are NULL, the result value is 0 instead of NULL.

Syntax

@STRCMPNULL (string1, string2)

string1

The first column or literal string to be compared.

string2

The second column or literal string to be compared.