ASELECT*FROMStudentsWHERE性别=”男”GROUPBY学号DESCBSELECT*FROMStudentsWHERE性别=”男”GROUPBY学号ASCCSELECT*FROMStudentsWHERE性别=”男”ORDERBY学号ASCDSELECT*FROMStudentsWHERE性别=”男”ORDERBY学号DESC

  尔雅 智慧树 mooc


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