DELETE (POSITIONED)

* Declare the cursor
     EXEC ADO
        DECLARE c1 DATAROWS FROM oline
     END-EXEC

* Open the cursor
     EXEC ADO
        OPEN c1 
     END-EXEC

* Modify the table using positioned updates and deletes
     PERFORM UNTIL EXIT
        * Delete row 1, 4, 7, ...
        EXEC ADO FETCH c1 INTO :oline END-EXEC
        IF SQLCODE NOT = 0
           EXIT PERFORM
        END-IF 
        EXEC ADO DELETE FROM oline WHERE CURRENT OF c1 END-EXEC
				
        * Update row 2, 5, 8, ...
        EXEC ADO FETCH c1 INTO :oline END-EXEC
        IF SQLCODE NOT = 0
           EXIT PERFORM
        END-IF
        MOVE 99 TO qty
        EXEC ADO UPDATE oline SET qty = :qty WHERE CURRENT OF c1 END-EXEC
				
        * Leave alone row 3, 6, 9, ...
        EXEC ADO FETCH c1 INTO :oline END-EXEC
        IF SQLCODE NOT = 0
           EXIT PERFORM
        END-IF
     END-PERFORM