第二次作业

CREATE TABLE student_info(
(
	学号	char(4) PRIMARY KEY,
	姓名	char(8) NOT NULL,
	性别	char(2),
	出生日期	date,
	家族住址	varchar(50)
);
DESC student_info;

CREATE TABLE curriculum 
(
	课程编号	char(4) PRIMARY KEY,
	课程名称	varchar(50),
	学分	int
);
DESC curriculum;

CREATE TABLE grade
(
	学号	char(4),
	课程名称	 varchar(50),
	分数	int, 
);
DESC grade;

INSERT INTO student_info(学号,姓名,性别,出生日期,家族住址)
	VALUES('0001','张青平','男','2000-10-01','衡阳市东风路77号'),
				('0002','刘东阳','男','1998-12-09','东阳市八一北路33号'),
				('0003','马晓夏','女','1995-05-12','长岭市五一路763号'),
				('0004','钱忠理','男','1994-09-23','滨海市洞庭大道279号'),
				('0005','孙海洋','男','1995-04-03','长岛市解放路27号'),
				('0006','郭小斌','男','1997-11-10','南山市红旗路113号'),
				('0007','肖月玲','女','1996-12-07','东方市南京路11号'),
				('0008','张玲珑','女','1997-12-24','滨江市新建路97号');
SELECT * FROM student_info;

INSERT INTO curriculum(课程编号,课程名称,学分)
	VALUES('0001','计算机应用基础',2),
				('0002','C语言程序设计',2),
				('0003','数据库原理及应用',2),
				('0004','英语',4),
				('0005','高等数学',4);
SELECT * FROM curriculum;

INSERT INTO grade(学号,课程编号,分数)
	VALUES('0001','0001',80),
				('0001','0002',91),
				('0001','0003',88),
				('0001','0004',85),
				('0001','0005',77),
				('0002','0001',73),
				('0002','0002',68),
				('0002','0003',80),
				('0002','0004',79),
				('0002','0005',73),
				('0003','0001',84),
				('0003','0002',92),
				('0003','0003',81),
				('0003','0004',82),
				('0003','0005',75);
SELECT * FROM grade;