text: create database db1;
  create database db2;
  
  use db1;
  DROP TABLE IF EXISTS `users`;
  CREATE TABLE `users` (
    `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键id',
    `userName` varchar(32) DEFAULT NULL COMMENT '用户名',
    `passWord` varchar(32) DEFAULT NULL COMMENT '密码',
    `user_sex` varchar(32) DEFAULT NULL,
    `nick_name` varchar(32) DEFAULT NULL,
    PRIMARY KEY (`id`)
  ) ENGINE=InnoDB AUTO_INCREMENT=28 DEFAULT CHARSET=utf8;
  
  use db2;
  DROP TABLE IF EXISTS `users`;
  CREATE TABLE `users` (
    `id` bigint(20) NOT NULL AUTO_INCREMENT COMMENT '主键id',
    `userName` varchar(32) DEFAULT NULL COMMENT '用户名',
    `passWord` varchar(32) DEFAULT NULL COMMENT '密码',
    `user_sex` varchar(32) DEFAULT NULL,
    `nick_name` varchar(32) DEFAULT NULL,
    PRIMARY KEY (`id`)
  ) ENGINE=InnoDB AUTO_INCREMENT=28 DEFAULT CHARSET=utf8;
  
  
  insert into db1.users (userName) values ('db1_user1');
  insert into db2.users (userName) values ('db2_user2');
  