hive学习之经典sql50题 hive版(三)

11.查询至少有一门课与学号为“01”的同窗所学相同的同窗的学号和姓名 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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