Pyspark python sql about the project ques
Senior Data Engineer Interview Questions
2,599 senior data engineer interview questions shared by candidates
About project and some basic technical questions.
What is input file of ur python code? How do you write code ?
Normal questions related to spark and big data and coding round was good
Test was about pyspark, creating some UDFs and put them in a function of class already placed in the test. This function takes a dataframe as an argument and you need to do needed modifications on this df with spark UDFs.
Lots of questions based Big Data, Hadoop, Apache Spark, Cloud Platforms, Data Platforms
1)Storm and kafka 2)Spark streaming and structured streaming 3)Spark rdd dataframe and dataset 4)Partitioning and bucketing scenarios 5)Sql functions practice 6)Test cases 7)Spark hive context and sql context and spark session difference 8)Data modeling for bigdata 9)Dimension table and fact tables 10)Data crunching 11)Webservices and microservices applications 12)1000 files with particular set of id store id columns and final outcome should be like 13)count of stores for repeating id 14)So id and stores are repeating g 15)How to deal with 1000 files 16)How sql query steps works 17)Algorithm with spark program 18)How will it check job dependency first completes then only completes second one 19)Oozie scheduler 20)Lookinto titan glm code and spark functions
write a python code to get the second highest salary of each department. If emp has same salary get the salary of low age
Review this python code and fix it.
Advanced sql question and a simple python program
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