50个查询系列-第8个查询:查询课程编号“002”的成绩比课程编号“001”课程低的全部同窗的学号、姓名;...

作法:post select tblstudent.StuId,tblstudent.StuName from tblstudent where ( (select tblscore.Score from tblscore where tblstudent.StuId=tblscore.StuId and tblscore.CourseId='002') <(select tblscore.Sco
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