HCL Data Analyst Interview Questions
The questions to prepare for a HCL Data Analyst interview. Questions from real interview reports rank first. Updated daily.
Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.
HCLExplain SQL window functions and when to use ROW_NUMBER() versus DENSE_RANK() for ranked ticket analysis.
HCLTests SQL performance tuning skills and ability to improve runtime and resource usage.
HCLTests your approach to data cleaning, deduplication logic, and ensuring reporting accuracy.
HCLTests ability to write correct SQL for time-based metrics and growth calculations.
HCLTests your strategy for indexing, query plans, and scalable SQL design.
HCLOptimize a slow PostgreSQL query that aggregates completed transactions while preserving customers with no matching activity.
Capgemini
NomuraUse an INNER JOIN to return employees whose department IDs match a department record.
HCLTests ownership and influence in ambiguous analytics work, with emphasis on problem framing, stakeholder alignment, and measurable business impact.
HCLTests statistical judgment and how you present outliers without misleading leadership decisions.
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