We will never think of this kind of scenarios when we work with Hive tables in our projects. But in…
Most of us might have worked on Hive in projects. But we never get a requirement to update records in…
Similar questions: Coalesce vs. spark.sql.shuffle.partitions Coalesce vs repartition vs spark.sql.shuffle.partitions Not a frequently asked question but there are chances…
Fold method is not commonly used in Scala as we have reduce method, which gives the same functionality. When we…
1). How to import large object such as BLOB and CLOB using Sqoop? There are no arguments available for direct…
Sqoop is a common data migration tool used to import data from RDBMS tables to other Hadoop components. It is…
It is a very common question in Java interviews. But if you has mentioned Java along with your Big data…
This will be must and should question in Spark interviews. Understanding the resource allocation for a Spark job is very…
Spark SQL in one of modules available in Spark that runs on top of Spark Core module for structured data…
Not a common question but lot of developers are confused between these two functions including me. So I thought of…