1.创建数据库
 
2. 新建查询
 
3. 执行查询sql
 
4. sql语句:
-- 创建数据库
CREATE DATABASE `my_test` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;
-- 创建用户表
CREATE TABLE `sys_user` (
    `id` BIGINT(20) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '唯一标识',
    `username` VARCHAR(50) NOT NULL DEFAULT '' COMMENT '登录帐号,邮箱或手机号',
    `password` VARCHAR(64) NOT NULL DEFAULT '' COMMENT '登录密码',
    `nickname` VARCHAR(50) NULL DEFAULT '' COMMENT '昵称',
    `avator` VARCHAR(50) NULL DEFAULT '' COMMENT '用户头像',
	  `sex` VARCHAR(20) NULL DEFAULT '' COMMENT '性别:u:未知,  m:男,  w:女',
	  `gmt_create` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
	  `gmt_modify` TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    PRIMARY KEY (`id`) USING BTREE,
	  UNIQUE KEY `username_UNIQUE` (`username`)
) ENGINE=InnoDB AUTO_INCREMENT=1 COMMENT='用户表';


















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