hive學習之經典sql50題 hive版(三)

11.查詢至少有一門課與學號爲「01」的同窗所學相同的同窗的學號和姓名 select stu.sid from ( select other.s sid,other.c cid from ( select cid from sc where sid=01 ) s01 join ( select sid s,cid c from sc where sid!=01 ) other on other.c

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