PySpark Mock Interview | Basic Coding Round | Python | SQL | Join Optimizations

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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, Aditya Dhanraj , / aditya-dhanraj shares invaluable insights and practical guidance drawn from his extensive expertise in the Big Data Domain.
Our expert guest interviewee, Parth Agrawal, / parth-agrawal has an interesting approach to answering the interview questions on Apache Spark, SQL and Azure Cloud Services.
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TIMESTAMPS : Questions Discussed
00:00 Introduction
03:17 Order of Execution of SELECT Statement in SQL
04:09 Scenario-based SQL Question
13:07 Difference between Action and Transformation
16:32 Scenario-based Question
19:44 Difference between List and Tuple
20:23 Coding Question
29:12 Spark Optimization Techniques
32:40 Data Warehouse vs. Data Lakehouse
Music track: Retro by Chill Pulse
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#mockinterview #bigdata #career #dataengineering #data #datascience #dataanalysis #productbasedcompanies #interviewquestions #apachespark #google #interview #faang #companies #amazon #walmart #flipkart #microsoft #azure #databricks #jobs

[@amitkhandelwal8030]

List slicing will work if you want to reverse

[@deviprasadgharpehai3315]

Thanks a lot sir for this wonderful interactive nd knowledgeable interview❤

[@Nikhil-qi4oz]

Thanks

[@hdr-tech4350]

Users with max skills
Remove space from col names
Matrix using two list

[@parthagrawal5516]

Thank you for giving chance.

[@PradyutJoshi]

Good SQL question.

[@adityadhanraj8272]

Thanks 😊

[@ankitdhurbey7093]

Sql question was good

[@naveenkumarsingh3829]

bhai ye toh reverse list k case me cheating kr rha..side me notes dekh kar answer likh rha..waah