-- Place your SQL code here USE vn; ALTER TABLE vn.vehicleEvent DROP FOREIGN KEY vehicleEvent_FK; ALTER TABLE vn.vehicleState MODIFY COLUMN id int(11) NOT NULL; ALTER TABLE vn.vehicleState DROP PRIMARY KEY; ALTER TABLE vn.vehicleState ADD CONSTRAINT vehicleState_PK PRIMARY KEY (id); ALTER TABLE vn.vehicleState MODIFY COLUMN id int(11) auto_increment NOT NULL; ALTER TABLE vn.vehicleState ADD hasToNotify INT DEFAULT NULL NULL; ALTER TABLE vn.vehicleEvent ADD CONSTRAINT vehicleEvent_FK FOREIGN KEY (vehicleStateFk) REFERENCES vn.vehicleState(id); ALTER TABLE vn.vehicleEvent ADD notified DATETIME NULL; CREATE OR REPLACE TABLE vn.vehicleConfig ( eventEarlyDays int NULL ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb3 COLLATE=utf8mb3_unicode_ci; ALTER TABLE vn.vehicleConfig MODIFY COLUMN eventEarlyDays int(11) DEFAULT 15 COMMENT 'Previous days on which the expiration of an event must be notified';