hive學習之經典sql50題 hive版(二)

1.查詢「某1」課程比「某2」課程成績高的全部學生的學號 select s.id from ( select s1.sid id,s1.score c1,s2.score c2 from ( select sid,score from sc where cid=1 ) s1 join ( select sid,score from sc where cid=2 ) s2  on s1.sid=s2

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