Oracle 23c

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CREATE TABLE schedule (
  id INT NOT NULL PRIMARY KEY,
  start_time VARCHAR(5) NOT NULL,
  start_date VARCHAR(10) NOT NULL,
  end_date VARCHAR(10) NOT NULL,
  days VARCHAR(255) NOT NULL
);
INSERT INTO schedule(id, start_time, start_date, end_date, days)
VALUES 
  (1, '10:30', '2023-06-01', '2023-06-20', 'Пн.Ср.Пт.Пн.Ср.Пт.Пн'),
  (2, '12:30', '2023-06-01', '2023-06-20', 'Пн.Ср.Пт.Пн.Ср.Пт.Пн');
2 rows affected

SELECT * FROM schedule;


ID
START_TIME
START_DATE
END_DATE
DAYS


1
10:30
2023-06-01
2023-06-20
Пн.Ср.Пт.Пн.Ср.Пт.Пн

2
12:30
2023-06-01
2023-06-20
Пн.Ср.Пт.Пн.Ср.Пт.Пн

ID	START_TIME	START_DATE	END_DATE	DAYS
1	10:30	2023-06-01	2023-06-20	Пн.Ср.Пт.Пн.Ср.Пт.Пн
2	12:30	2023-06-01	2023-06-20	Пн.Ср.Пт.Пн.Ср.Пт.Пн