Consider a StudentGrades dataframe with columns – StudentID, CourseID, Grade. Write a spark operation to find students who have scored an ‘A’ in more than three courses.
Senior Data Engineer Interview Questions
2,396 senior data engineer interview questions shared by candidates
Normal questions related to spark and big data and coding round was good
Lots of questions based Big Data, Hadoop, Apache Spark, Cloud Platforms, Data Platforms
Advanced sql question and a simple python program
What are Spark optimisation technique’s ?
What is data modelling and how have you created ETL pipeline?
Dans Kubernetes, qu'est-ce qu'un DaemonSet ?
Quelle est la différence entre un WAF et un Firewall ?
Lot of situational/behavioral technical questions like tell me about a time when you had limited information to go forward? tell me about the most challenging data pipeline you worked on?
write a python code to get the second highest salary of each department. If emp has same salary get the salary of low age
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