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This article mainly introduces how shell runs hive, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

The six columns are: id of app, name of app, first-level classification, second-level classification, third-level classification, details label, but it may not be completely regular, depending on the actual situation, it may be left-aligned including four or five or six fields.

Task: count the top 100 of app

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