Asked in Cognizant
What are the different types of joins available in Spark?
AnswerBot
6mo
Different types of joins in Spark include inner join, outer join, left join, right join, and full join.
Inner join: Returns only the rows that have matching values in both datasets.
Outer join: Returns ...read more
Help your peers!
Add answer anonymously...
Top Data Engineer Interview Questions Asked at Cognizant
Q. Can you describe a tricky SQL question you have encountered?
Q. Explain the architecture of Delta Lake.
Q. What do you mean by CDC?
Interview Questions Asked to Data Engineer at Other Companies
Top Skill-Based Questions for Cognizant Data Engineer
Big Data Interview Questions and Answers
500 Questions
SQL Interview Questions and Answers
500 Questions
Cloud Computing Interview Questions and Answers
250 Questions
Data Structures Interview Questions and Answers
250 Questions
Python Interview Questions and Answers
200 Questions
Spark Interview Questions and Answers
50 Questions
Stay ahead in your career. Get AmbitionBox app
Trusted by over 1.5 Crore job seekers to find their right fit company
80 L+
Reviews
10L+
Interviews
4 Cr+
Salaries
1.5 Cr+
Users
Contribute to help millions
AmbitionBox Awards
Get AmbitionBox app
Made with ❤️ in India. Trademarks belong to their respective owners. All rights reserved © 2025 Info Edge (India) Ltd.
Follow Us
