python and SQL in telephonic Hadoop input file formats, when to use what, design streaming system, Hive optimization, Spark implementation, Python multi-environment related questions Agile and behavioural rounds
Data Engineer Interview Questions
18,744 data engineer interview questions shared by candidates
1. How would you determine the frequency of each unique element in a list? 2. A problem that can be solved using a SQL window function, and explain your approach?
What is a window function? Joins vs subqueries. Outer vs inner joins. Infrastructure based questions.
Spark and hive optimization techniques, partitioning and bucketing concepts, small programs in pyspark
How does memory management work in Python?
solve 5 random sql questions
All questions involved priority queue based on heap 1. Design Stock Trading function. 2. SQL: Add missing month rows to a given sql table. 3. Find visitor increase in count from a file using DS and ALgos. 4. Why are some tasks / stages skipped in spark?
Do you have IPhone with you?
what should you do when the interviewer doesn't join the interview meeting?
punti di forza e debolezza all interno di un gruppo di lavoro
Viewing 1061 - 1070 interview questions
See Interview Questions for Similar Jobs
Perl DeveloperModeling EngineerAnalytics EngineerData AnalystData ModelerEtl TesterDatastage DeveloperEtl DeveloperDatawarehouse DeveloperData Warehouse DeveloperData MinerDatabase AdministratorData ScientistMachine Learning ScientistData Warehouse ArchitectBusiness Intelligence SpecialistOracle Data IntegratorData Warehouse ManagerBusiness Objects Developer