-- util.config
ALTER TABLE util.config MODIFY COLUMN id int(10) unsigned NOT NULL;
ALTER TABLE util.config ADD CONSTRAINT config_check CHECK (id = 1);

-- util.notificationConfig
ALTER TABLE util.notificationConfig MODIFY COLUMN id int(10) unsigned NOT NULL;
ALTER TABLE util.notificationConfig ADD CONSTRAINT notificationConfig_check CHECK (id = 1);

-- util.versionConfig
ALTER TABLE util.versionConfig MODIFY COLUMN id int(10) unsigned NOT NULL;
ALTER TABLE util.versionConfig ADD CONSTRAINT versionConfig_check CHECK (id = 1);