DROP TABLE load; CREATE TABLE load ( dt DATE NOT NULL, note VARCHAR2(10) ); INSERT INTO load (dt, note) VALUES (TO_DATE('2016-11-02 01:00:01', 'YYYY-MM-DD HH24:MI:SS'), 'first'); INSERT INTO load (dt, note) VALUES (TO_DATE('2016-11-02 02:00:02', 'YYYY-MM-DD HH24:MI:SS'), 'first'); INSERT INTO load (dt, note) VALUES (TO_DATE('2016-11-02 03:00:03', 'YYYY-MM-DD HH24:MI:SS'), 'first'); INSERT INTO load (dt, note) VALUES (TO_DATE('2016-11-02 04:00:04', 'YYYY-MM-DD HH24:MI:SS'), 'first'); EXIT;