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--目标:创建一个 school数据库 CREATE DATABASE IF NOT EXISTS `school`; --创建学生表 --学号 INT
登陆密码 VARCHAR 姓名 性别 出生日期 家庭住址 Email --表名称和字段尽量使用` `括起来 --所有语句后面加',' 最后一个不用加
--PRIMARY KEY 主键 CREATE TABLE IF NOT EXISTS `student` ( `id` INT(20) NOT NULL
AUTO_INCREMENT COMMENT '学号', --AUTO_INCREMENT 自增 `name` VARCHAR(30) NOT NULL
COMMENT '姓名', `sex` VARCHAR(2) NOT NULL DEFAULT '女' COMMENT '性别', `pwd` VARCHAR(
20) NOT NULL DEFAULT '123456' COMMENT '密码', `birthday` DATETIME DEFAULT
'2000-01-01 00:00:00' COMMENT '出生日期', `address`VARCHAR(100) DEFAULT 'NULL'
COMMENT '密码', `email`VARCHAR(50) DEFAULT 'NULL' COMMENT '邮箱', PRIMARY KEY(`id`)
)ENGINE=INNODB DEFAULT CHARSET=utf8