Given a scenario, using the data to construct the model to find the answer.
Data Engineer Interview Questions
21,066 data engineer interview questions shared by candidates
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
Why changing the current role to a new role
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.
Synchronization of two different data frame and asking the complexity of the algorithm. Domain interview: bunch of pyspark related questions and SQL simple query Second programming interview: Find if a path exists in a Graph
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?
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