mysql常用查询测试及答案: 参考链接: http://blog.sina.com.cn/s/blog_767d65530101861c.html -------------------创建如下表---------------------- 1.创建表 CREATE TABLE student ( id INT(10) NOT NULL UNIQUE PRIMARY KEY , name VARCHAR(20) NOT NULL , sex VARCHAR(4), birth YEAR, d
ssd7 实验五答案,建立ER模型,并进行描述,包含ER截图和描述文件。
(ssd7 experiment five answers to the establishment of the ER model descr iption contains ER screenshots and descr iption file.)