-- create
CREATE TABLE EMPLOYEE (
  attendance_id INTEGER PRIMARY KEY,
  event_id INTEGER NOT NULL,
  event_date DATE NOT NULL,
  customer_id INTEGER NOT NULL,
  is_attend INTEGER NOT NULL,
  group_ids INTEGER NOT NULL,
  teacher_ids INTEGER NOT NULL
);


INSERT INTO EMPLOYEE (event_id, event_date, customer_id, is_attend, group_ids, teacher_ids, attendance_id)
VALUES
(5,'2020-05-22',47,1,2,6,12),
(15,'2020-06-03',354,1,5,4,57),
(34,'2020-06-17',183,1,5,4,158),
(22,'2020-06-11',12,1,1,3,95),
(36,'2020-06-19',260,1,5,4,185),
(3,'2020-05-21',197,1,1,3,5),
(30,'2020-06-18',419,1,3,5,165),
(8,'2020-05-26',47,1,2,6,24),
(25,'2020-06-10',401,1,5,4,108),
(34,'2020-06-17',354,1,5,4,159),
(59,'2020-07-08',700,1,5,4,288);

-- упорядочивание всей таблицы по event_date от более свежих дат к более старым
SELECT *
FROM EMPLOYEE
ORDER BY event_date DESC 
by