Cognizant·Business Analyst

Cognizant Business Analyst interview experience

No offer

Medium

Positive

Gurgaon, HaryanaPosted Sep 2026 · Candidate report, summarized by Dataford

My interview felt more like a data/analytics challenge than a standard Q&A.

It started with a practical, SQL-and-Python style problem where I had to think through building something like a top-five salary result using Python rather than relying only on SQL—then they probed into related ideas like clustering, indexing, and normalization concepts.

The questions didn’t stop there. They shifted into data modeling and analytics territory, including differences tied to OLTP vs OLAP, how reclustering works with fact and dimension, and what ACID properties are meant to ensure. I was also asked about SCD2—when to use it—and architecture concepts like the medallion

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