Pivot rows to columns in Hive
There are multiple use cases when we need to transpose/pivot table and Hive does not…
Hive – What is the difference between Collect Set and Collect List
There are many advanced aggregate functions in hive. Lets take a look at look at…
Hive – Advanced Aggregations with Grouping sets, Rollup and cube
In this blog, we will take look at another set of advanced aggregation functions in…
Apache Sqoop: Import Data to HDFS – Part 2
In second part of sqoop import, We will learn additional parameters for using Import more…
Apache Sqoop – Import data to HDFS
In this blog, we will learn how to use sqoop import command and its different…
Apache Sqoop Introduction
One reason which made Hadoop ecosystem popular is its ability to process different forms of…