I guess what I was looking for was some help with a simple routine to check a single column P_DLRUOM to see if it's value is one of ("EACH","FEET","FT","IN","UNIT"). If the user inputted value for P_DLRUOM = "EACH", it's valid and then I want to run off an build the SQL statement to do the update. I can take care of that part later. Since there will be numerous column to check eventually, it sounds like to the best way would be to use as hash as suggested above.