ошибка говорит, что мне нужно проверить версию mysql, но я проверил, и это правильно ..
CREATE TABLE Persons (
person_id int,
first_name varchar(20),
last_name varchar(20),
address varchar(20),
city varchar(20)
);
INSERT INTO Persons VALUES (1, "keene", "basence", "escarlata", "makati");
INSERT INTO Persons VALUES (2, "kyle", "basence", "escarlata", "makati");
INSERT INTO Persons VALUES (3, "kieffer", "basence", "escarlata", "makati");
SELECT * FROM Persons;
DELETE FROM Persons WHERE person_id = 1;
UPDATE Persons SET address = "comembo" WHERE person_id = 1;
SELECT person_id, first_name FROM Persons GROUP BY person_id DESC; -- this is the wrong one