SET FOREIGN_KEY_CHECKS = 0; ALTER TABLE chuni_score_playlog CHANGE COLUMN isClear isClear TINYINT(6) NULL DEFAULT NULL; ALTER TABLE aime.chuni_score_best CHANGE COLUMN isSuccess isSuccess INT(11) NULL DEFAULT NULL ; ALTER TABLE chuni_score_playlog ADD COLUMN ticketId INT(11) NULL AFTER machineType; SET FOREIGN_KEY_CHECKS = 1;