Grouping sets, Rollup and cube

Hello everyone. We have used GROUP BY operation to perform aggregations in our queries. Consider the case where we have data with retail store inventory. Every month, we have shipped products…

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Pivot rows to columns in Hive

Hello everyone. In this article, we will learn how can we pivot rows to columns in the Hive. Pivoting/transposing means we need to convert a row into columns. We need to…

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