mysql的四張表（學生表，教師表，課程表，分數表）
CREATE table student( id INT(6) PRIMARY KEY, s_num VARCHAR(20), s_name VARCHAR(20), s_sex VARCHAR(5), s_birth datetime ) create table teacher( tno varchar(10) primary key, tname varchar(20) ); create table course( cno varchar(10), cname varchar(20), tno varchar(20), constraint pk_course primary key (cno,tno) ); create table sc( sno varchar(10), cno varchar(10), score DOUBLE, constraint pk_sc primary key (sno,cno) );
insert into student values ('1','120311120','張三','男','1994-10-21'); insert into student values ('2','120311121','趙玲','女','1995-01-12'); insert into student values ('3','120311123','馮凱','男','1996-02-16'); insert into student values ('4','120311124','朱茵','女','1997-03-24'); insert into student values ('5','120311125','徐麗','女','1998-04-23'); insert into student values ('6','120311126','姜山','男','1994-05-28'); insert into student values ('7','120311127','孔雀','女','1994-04-27'); insert into student values ('8','120311128','雷霆','男','1995-10-21'); insert into student values ('9','120311129','胡錦','女','1995-10-21'); insert into student values ('10','120311130','江水凌','女','1995-10-21'); insert into student values ('11','120311140','方海','男','1992-10-21'); insert into student values ('12','120311150','錢鳳剛','男','1994-10-21'); insert into student values ('13','120311160','孫琳','男','1994-10-21'); insert into student values ('14','120311170','蔣經國','女','1995-07-21'); insert into student values ('15','120311180','胡海峰','男','1995-11-21'); insert into student values ('16','120311190','賈勝男','女','1995-12-26'); insert into student values ('17','120311131','袁曉峰','女','1996-05-21'); insert into student values ('18','120311132','宮國','男','1996-10-17'); insert into student values ('19','120311133','郭靖','男','1996-10-09'); insert into student values ('20','120311134','黃蓉','女','1998-10-08'); insert into student values ('21','120311135','張婷','女','1992-10-23'); insert into student values ('22','120311136','袁文博','男','1994-08-19');
insert into student values ('1','120311120','張三','男','1994-10-21'); insert into student values ('2','120311121','趙玲','女','1995-01-12'); insert into student values ('3','120311123','馮凱','男','1996-02-16'); insert into student values ('4','120311124','朱茵','女','1997-03-24'); insert into student values ('5','120311125','徐麗','女','1998-04-23'); insert into student values ('6','120311126','姜山','男','1994-05-28'); insert into student values ('7','120311127','孔雀','女','1994-04-27'); insert into student values ('8','120311128','雷霆','男','1995-10-21'); insert into student values ('9','120311129','胡錦','女','1995-10-21'); insert into student values ('10','120311130','江水凌','女','1995-10-21'); insert into student values ('11','120311140','方海','男','1992-10-21'); insert into student values ('12','120311150','錢鳳剛','男','1994-10-21'); insert into student values ('13','120311160','孫琳','男','1994-10-21'); insert into student values ('14','120311170','蔣經國','女','1995-07-21'); insert into student values ('15','120311180','胡海峰','男','1995-11-21'); insert into student values ('16','120311190','賈勝男','女','1995-12-26'); insert into student values ('17','120311131','袁曉峰','女','1996-05-21'); insert into student values ('18','120311132','宮國','男','1996-10-17'); insert into student values ('19','120311133','郭靖','男','1996-10-09'); insert into student values ('20','120311134','黃蓉','女','1998-10-08'); insert into student values ('21','120311135','張婷','女','1992-10-23'); insert into student values ('22','120311136','袁文博','男','1994-08-19'); insert into teacher values ('001','趙老師'); insert into teacher values ('002','何老師'); insert into teacher values ('003','文老師'); insert into teacher values ('004','蔣老師'); insert into teacher values ('005','黃老師'); insert into teacher values ('006','李老師'); insert into course values('100','語文','001'); insert into course values('200','數學','002'); insert into course values('300','英語','003'); insert into course values('400','物理','004'); insert into course values('500','生物','005'); insert into course values('600','化學','006'); insert into sc values('120311126','67','100'); insert into sc values('120311126','58','200'); insert into sc values('120311126','89','300'); insert into sc values('120311126','90','400'); insert into sc values('120311126','98','500'); insert into sc values('120311126','68','600'); insert into sc values('120311127','100','100'); insert into sc values('120311127','82','200'); insert into sc values('120311127','45.5','300'); insert into sc values('120311127','86','400'); insert into sc values('120311127','81','500'); insert into sc values('120311127','87','600'); insert into sc values('120311128','67','100'); insert into sc values('120311128','100','200'); insert into sc values('120311128','89','300'); insert into sc values('120311128','95','400'); insert into sc values('120311128','98','500'); insert into sc values('120311128','78','600'); insert into sc values('120311129','89','100'); insert into sc values('120311129','82','200'); insert into sc values('120311129','89.5','300'); insert into sc values('120311129','94','400'); insert into sc values('120311129','81','500'); insert into sc values('120311129','87','600'); insert into sc values('120311130','67','100'); insert into sc values('120311130','78','200'); insert into sc values('120311130','89','300'); insert into sc values('120311130','92','400'); insert into sc values('120311130','79','500'); insert into sc values('120311130','64','600'); insert into sc values('120311131','89.4','100'); insert into sc values('120311131','92','200'); insert into sc values('120311131','79.5','300'); insert into sc values('120311131','96','400'); insert into sc values('120311131','41','500'); insert into sc values('120311131','97','600'); insert into sc values('120311150','34','100'); insert into sc values('120311150','90','200'); insert into sc values('120311150','76','300'); insert into sc values('120311150','90','400'); insert into sc values('120311150','91','500'); insert into sc values('120311150','65','600'); insert into sc values('120311140','69','100'); insert into sc values('120311140','78','200'); insert into sc values('120311140','78.5','300'); insert into sc values('120311140','90','400'); insert into sc values('120311140','87','500'); insert into sc values('120311140','83','600');
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