Apache Hive ROWNUM Pseudo Column Equivalent

Hive is batch processing engine, you cannot use it as a transaction system. Sometimes you may need to generate sequence row number for document use. ROWNUM is sometime useful when you are working with multi-level SQL queries. There is no ROWNUM pseudo column in Apache Hive. In this article, we will check Hive ROWNUM pseudo column equivalent. If you are coming from Oracle or traditional database background, you will find it difficult in Hive without ROWNUM pseudo column. The one possible solution to this is ROW_NUMBER() analytical function as Hive…

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