列出选修编号为“3-105”课程且成绩高于选修了编号为“3-245”的同学的CNO、SNO和DEGREE。

12 查阅

列出选修编号为“3-105”课程且成绩高于选修了编号为“3-245”的同学的CNO、SNO和DEGREE。

参考答案:

SELECT CNOSNODEGREE FROM SCORE WHERE CNO="3-105"AND DEGREE>ALL(SELECT DEGREE FROMSCORE WHERE CNO="3-245")SELECT CNO,SNO,DEGREE FROM SCORE WHERE CNO="3-105"AND DEGREE>ALL(SELECT DEGREE FROMSCORE WHERE CNO="3-245")

计算机四级