Im struggling to get ADD-INTERVAL to work. I get Syntax error. I'm not sure what is wrong with the syntax, could someone assist please?
Select Distinct "A"."MATDB"."MT-CODE",
"PUB"."BILLS"."CL-CODE",
"A"."MATDB"."DATE-OPENED",
"A"."CLIDB"."FULL-DERIVED-NAME",
"TELEPHONES2"."TEL-NUMBER" As...