Real questions from top companies
Can you explain the trade-offs you made during the design process?
Can you share an example of a project you worked on that had a significant impact on your organization?
Combine records by name with concatenated course values
Command to Read JSON Data and Options
Compare batch processing and stream processing for financial data.
Compute the moving average of daily transactions over a 7-day window.
Count occurrences of a specific word in a file
Daily Data Volume - quantify
Data Security in BFSI - encryption, IAM, auditing
Data Shuffling Causes and Techniques
Data Storage and Retrieval Optimization techniques
Data access strategy for clients
Data masking scenarios for secure data handling
Deadlock Prevention - how deadlocks occur and how to prevent them
Deadlock: Definition and necessary conditions
Describe a project where you implemented a data quality framework.
Describe a project you worked on, focusing on the data pipeline and your role.
Describe a scenario where you had to optimize a slow-running data pipeline.
Describe a time when you had to deal with a major data quality issue. How did you handle it?
Describe a time when you had to work with a difficult stakeholder.
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