Real questions from top companies in General/Other · hard
Have you worked on Data Warehousing projects?
Retrieve the most recent sale_timestamp for each product (Latest Transaction).
What is the difference between OLTP and OLAP?
Command to Read JSON Data and Options
Compare batch processing and stream processing for financial data.
Count occurrences of a specific word in a file
Data Security in BFSI - encryption, IAM, auditing
Data Storage and Retrieval Optimization techniques
Describe the ZS projects you worked on
Explain your project and the technologies used so far.
Find orders exceeding $1,000 in the last 30 days.
Highlight the tools and technologies you've used in your current project
How do these transformations impact memory usage?
How would you handle large datasets in a distributed computing environment?
How would you model customer transaction data for both analytical and operational use cases?
How would you model hierarchical data in a relational database?
Integrating an API with a Database - Steps
Synchronization Mechanisms
TCP vs UDP Protocol
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