IBM DB2 Error Code -491 – create statement for user-defined functi

In this post, you’ll learn about the IBM DB2 Error -491 and the reason why you are receiving it

IBM DB2 Error Code :

-491

Reason for this Error in DB2

CREATE STATEMENT FOR USER-DEFINED FUNCTION function-name MUST HAVE A RETURNS CLAUSE AND: THE EXTERNAL CLAUSE WITH OTHER REQUIRED KEYWORDS; THE PARAMETER NAMES; OR THE SOURCE CLAUSE