| +--->1. PRC_REF_CUR_TAB2 (43) | | | +---> OPEN iov_ref FOR (28) | +---> FETCH lv_cur INTO lv_rec; (45) +--->1. PKG2.FCN_MAX_VAL (47) +---> UPDATE tab2 (49) +---> WHEN OTHERS THEN (53) +---> RAISE user_defined_exc; (59) +---> CLOSE lv_cur; (63)