Infosys Data Analyst Interview Questions

The questions to prepare for a Infosys Data Analyst interview. Questions from real interview reports rank first. Updated daily.

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SQL & Data ManipulationStart here. 12 questions · ~131 min

Find the second-highest distinct transaction amount using a subquery in PostgreSQL without LIMIT.

SQL Join Types for Customer DataEasy

Explain SQL join types and when to use a LEFT OUTER JOIN to keep unmatched rows from the left table.

JoinsData WranglingGroup By

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Compare Join Types in ReportingEasy

Explain how INNER JOIN, LEFT JOIN, and RIGHT JOIN change row retention and NULL handling in reporting queries.

sql basicsJoinsjoin types

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Pipelines4 questions · ~44 min

Data Model Design ExperienceMedium

Design analytics data models and explain how to choose the right structure for reporting, reuse, and performance.

experiencedata warehouseELT

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Handle Missing Data in BI ToolsMedium

Design an ETL approach to clean missing and inconsistent fields when loading large datasets into Excel or Tableau.

data loadingData QualityData Wrangling

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Power BI Cleaning with Power QueryMedium

Tests your ability to clean and transform data effectively for BI reporting in Power BI.

Data Wranglingpower bi

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Behavioral & Leadership11 questions · ~120 min

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