text: 
  CREATE SCHEMA IF NOT EXISTS skillmap DEFAULT CHARACTER SET utf8mb4;
  
  USE skillmap;
  
  CREATE TABLE IF NOT EXISTS users (
      PRIMARY KEY (user_id),
      user_id      CHAR(32)     NOT NULL,
      name         VARCHAR(20)  NOT NULL,
      UNIQUE INDEX(name)
  ) ENGINE=InnoDB DEFAULT CHARSET utf8mb4 COLLATE utf8mb4_bin COMMENT='ユーザ';