text: create database myself;
  
  use myself;
  
  create table if not exists `user` (
    `id` int(11) NOT NULL AUTO_INCREMENT,
    `name` varchar(20) NOT NULL COMMENT '名称',
    `password` varchar(20) COMMENT '密码',
    `phone` int(11) NOT NULL DEFAULT '0' COMMENT '电话',
    `created_time` DATETIME DEFAULT '1970-01-01 00:00:00' COMMENT '创建时间',
    `modified_time` DATETIME DEFAULT '1970-01-01 00:00:00' COMMENT '更新时间',
    PRIMARY KEY (`id`),
    KEY `created_time` (`created_time`) USING BTREE,
    KEY `modified_time` (`modified_time`) USING BTREE
  ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='用户表';
  