The following trigger action copies a row from the flights table into the flight_history table whenever any row gets inserted into flights and adds the comment "inserted from trig1" in the status column of the flight_history table.
CREATE TRIGGER trig1 AFTER UPDATE ON flights REFERENCING OLD AS UPDATEDROW FOR EACH ROW MODE DB2SQL INSERT INTO flights_history VALUES (UPDATEDROW.FLIGHT_ID, UPDATEDROW.SEGMENT_NUMBER, UPDATEDROW.ORIG_AIRPORT, UPDATEDROW.DEPART_TIME, UPDATED ROW.DEST_AIRPORT, UPDATEDROW.ARRIVE_TIME, UPDATEDROW.MEAL, UPDATEDROW.FLYING_TIME, UPDATEDROW.MILES, UPDATEDROW.AIRCRAFT,'INSERTED FROM trig1');