Примеры
RECREATE TRIGGER set_cust_no
ACTIVE BEFORE INSERT ON customer POSITION 0
AS
BEGIN
IF (NEW.cust_no IS NULL) THEN
NEW.cust_no = GEN_ID(cust_no_gen, 1);
END
RECREATE TRIGGER set_cust_no
ACTIVE BEFORE INSERT ON customer POSITION 0
AS
BEGIN
IF (NEW.cust_no IS NULL) THEN
NEW.cust_no = GEN_ID(cust_no_gen, 1);
END