Data Engineering  

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30 INTERVIEWS IN 30 DAYS- BIG DATA INTERVIEW SERIES
This mock interview series is launched as a community initiative under Data Engineers Club aimed at aiding the community's growth and development
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Discussed Questions : Timestamp
1:34 Introduction
3:21 What’s the cluster config you are working on ?
4:00 Have you worked with other data formats or sources?
4:40 What is the challenging part while working on the project ?
6:50 What is broadcast join ?
7:40 Quote one or two data transformations, and explain data cleaning briefly.
9:06 Explain the spark Architecture
10:38 What happens to driver and worker nodes when an action is executed?
12:51 Difference between DAG and lineage
13:55 What is an RDD ?
15:05 Narrow and wide transformations ?
16:16 What was your role in the project?
17:05 Pyspark Coding Question
22:42 SQL Coding Question
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