复杂语句mysql

-- 1、查询“c001”课程比“c002”课程成绩高的所有学生的学号； SELECT a.sno '编号',a.score '语文成绩',b.score '数学成绩' from (SELECT sno,score FROM sc WHERE cno = 100) a LEFT JOIN (SELECT sno,score FROM sc a WHERE cno = 200) b on a.sn

>>阅读原文<<