在 Spark 中,以下哪项是对 DataFrame 取交集的算子?
(A)filter(condifionExpr:String):DataFrame
(B)Join(right:DataFrame,joinExprs:Column):DataFrame
(C)Intersect(other:DataFrame)
(D)dropDuplicates():DataFrame
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(A)filter(condifionExpr:String):DataFrame
(B)Join(right:DataFrame,joinExprs:Column):DataFrame
(C)Intersect(other:DataFrame)
(D)dropDuplicates():DataFrame