Sqoop Import: part 2

Hello everyone, in the last article of Sqoop Import we have seen how can we use this command to transfer single table to HDFS. There are cases when we do…

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Sqoop Import

Hello everyone. In this article, we will explore the Sqoop Import command. This command is used to transfer data from RDBMS to Hadoop cluster. We can use Sqoop Import tool…

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Sqoop Introduction

One reason which made Hadoop ecosystem popular is its ability to process different forms of data. But not all data is present in HDFS i.e Hadoop Distributed File System. We have…

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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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