DataEngPrep.tech
QuestionsBlogStore
Get PDF Bundle

Interview Questions

Real questions from top companies in Spark/Big Data

700+ Easy450+ Medium650+ Hard
All CategoriesBehavioralSpark/Big DataSQLPython/CodingSystem Design/ArchitectureCloud/ToolsGeneral/Othereasymediumhard
1

What is the difference between MapReduce and Spark?

Spark/Big Datahard
2

What is the difference between Pandas DataFrame and Spark DataFrame? When would you prefer using each?

Spark/Big Datahard
3

What is the difference between external and internal tables in Hive?

Spark/Big Dataeasy
4

What is the difference between head() and take() in PySpark?

Spark/Big Dataeasy
5

What is the difference between managed and external tables in Hive or Spark SQL?

Spark/Big Dataeasy
6

What is the difference between map and flatMap in Spark transformations?

Spark/Big Dataeasy
7

What is the difference between partitions and repartitions in Spark, and when do you use each?

Spark/Big Datamedium
8

What is the importance of the checkpoint location in Databricks?

Spark/Big Datahard

+20 More Questions with Expert Answers

Get the complete 1,800+ question library with detailed, expert-level answers covering SQL, Spark, System Design, Python, Cloud, and Behavioral topics.

Get PDF Bundle — from $21Try Free Sample
Previous1...1920212223Next