text: # create_tables_for_user_schedules
  
  # --- !Ups
  
  create table `userschedule` (
    `accountId` binary(16) not null,
    `scheduleId` binary(16) not null,
    `noticeMail` boolean not null
  );
  
  create table `schedule` (
    `scheduleId` binary(16) not null primary key,
    `scheduleName` varchar(191),
    `startTime` timestamp not null,
    `endTime` timestamp not null,
    `isFree` boolean,
    `isNotFree` boolean
  );
  
  # --- !Downs
  
  drop table `userschedule`;
  drop table `schedule`;
  