CheeryBao的博客

#学生表 及 数据CREATE TABLE `student` ( `S#` varchar(10) DEFAULT NULL, `Sname` varchar(10) DEFAULT NULL, `Sage` datetime DEFAULT NULL, `Ssex` varchar(10) DEFAULT NULL)INSERT INTO Student VALUES(...

CREATE DATABASE QueryExercise;USE QueryExercise;#建学生信息表studentCREATE TABLE student(sno VARCHAR(20) NOT NULL PRIMARY KEY,sname VARCHAR(20) NOT NULL,ssex VARCHAR(20) NOT NULL,sbirthday DATETIME,...