SQL server 查询“c001”课程比“c002”课程成绩高的所有学生的学号

Question

查询“c001”课程比“c002”课程成绩高的所有学生的学号
create table sc(
sno varchar(10),
cno varchar(10),
score int
constraint pk_sc primary key (sno,cno)
);
create table student(
sno varchar(10) primary key,
sname varchar(20),
sage tinyint,
ssex varchar(5)
);
/*****************初始化成绩表
insert into sc values ('s001','c001',78.9);
insert into sc values ('s002','c001',80.9);
insert into sc values ('s003','c001',81.9);
insert into sc values ('s004','c001',60.9);
insert into sc values ('s001','c002',82.9);
insert into sc values ('s002','c002',72.9);
insert into sc values ('s003','c002',81.9);
insert into sc values ('s001','c003','59');
/*******初始化学生表的数据******/
insert into student values ('s001','张三',23,'男');
insert into student values ('s002','李四',23,'男');
insert into student values ('s003','吴鹏',25,'男');
insert into student values ('s004','琴沁',20,'女');
insert into student values ('s005','王丽',20,'女');
insert into student values ('s006','李波',21,'男');
insert into student values ('s007','刘玉',21,'男');
insert into student values ('s008','萧蓉',21,'女');
insert into student values ('s009','陈萧晓',23,'女');
insert into student values ('s010','陈美',22,'女');

Answer 1

https://www.jianshu.com/p/55f1f4609e86