One of the most commonly asked interview questions. If you are mid-level experienced professional this will be compulsory question. In…
Now a days almost all the companies are using Cloud platforms despite any technology. There are lot reasons behind it.…
Assume that we have an RDD of m partitions and another RDD of n partitions. When we perform union operation…
1). How to convert an external table to internal table? We can achieve this by using below command: ALTER TABLE…
One of the common questions in Spark interview. There is a lot about this Catalyst Optimizer. Here in this blog…
Why the block size is large in Hadoop? What is the use of having large block size in Hadoop? …
How to prepare resume for Bigdata interview? Spark interview includes lot of other bigdata technologies like Hadoop, Hive, Sqoop, Flume…
What is Hadoop? Hadoop is a framework that is used to process large data sets using a programming paradigm called…
I’m not sure how many of us use these two operations frequently in our projects, but these two operations are…