Big data Flink (94): DML: TopN clause

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DML: TopN clause


DML: TopN clause

TopN definition (supports Batch\Streaming) : TopN actually corresponds to row_number() in the offline data warehouse. You can use row_number() to sort the data of a certain group.

Application scenarios

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Origin blog.csdn.net/xiaoweite1/article/details/133442469