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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

Our highly experienced guest interviewer, Swapnil Raj,   / swapnilraj29272768   shares invaluable insights and practical guidance drawn from his extensive expertise in the Big Data Domain

Our expert guest interviewee, Abhishek Mohanty,   / abhishekmohanty3979   has an interesting approach to answering the technical round interview questions on AWS Cloud Services, SQL and PySpark Optimizations.

Link of Free SQL & Python series developed by me are given below
SQL Playlist    • SQL tutorial for everyone by Sumit Si...  
Python Playlist    • Complete Python By Sumit Mittal Sir  

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Timestamp of Questions Discussed
00:00 Introduction
03:37 Notable usecase experience
06:03 Handling duplicates in relational databases
07:28 Scenariobased question
12:40 Coding questions
21:58 Difference between UNION and UNION ALL
22:36 Coding question
28:37 Understanding Spark
29:03 Experience with Spark optimizations
32:17 Difference between partitioning and bucketing
33:40 Using Amazon S3, Glue, and Lambda in data projects
35:42 Tools for job orchestration
37:05 Scenario based question on shell scripting
39:54 SCD type 2 explanation
40:51 Scenariobased question

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