Top 37
Prep plan
Updated weekly · Last refresh Aug 30

Antra Data Engineer Interview Questions

The questions to prepare for a Antra Data Engineer interview. Questions from real interview reports rank first. Updated weekly.

37questions
~5htotal time
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1
CodingStart here. 9 questions · ~79 min
Non-Recursive FibonacciEasy
Practice

Build the first n Fibonacci numbers with an iterative O(n) algorithm and return them as a Python list.

pythonAntra
Importing Data Files in PythonEasy

Evaluates practical Python skills for ingesting data into analysis or pipelines.

pythonAntra
Purpose of Lambda in PythonMedium

Tests understanding of why lambda functions are used in Python.

pythonAntra
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2
SQL & Data Manipulation16 questions + 2 drills · ~161 min
Second Highest Trader SalaryEasy
Practice

Find the second highest distinct salary from a single table using basic PostgreSQL ordering and limiting.

SubqueriesRankingSortingAntra
SQL TransactionsEasy

Evaluates understanding of SQL transaction concepts and their role in data reliability.

Antra
Star vs Snowflake SchemaMedium

Evaluates data modeling understanding for analytical schemas.

snowflake schemastar schemaAntra
Second Largest Salary QueryEasy
Practice
Practice drill

Use DENSE_RANK and a join to find the second-highest distinct salary among active CGS program employees.

sqlTiger AnalyticsCognizantAntra
Course IDs With >100 StudentsEasy
Practice
Practice drill

Use an INNER JOIN, SUM, GROUP BY, and HAVING to find Antra courses with over 100 registered students.

aggregationsql queryAntra
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3
Pipelines6 questions · ~53 min
Data Modeling TechniquesMedium

Tests your knowledge of modeling approaches and when to apply them for analytics and pipelines.

ETLData ModelingQualityAntra
Database Schema DesignHard

Tests your ability to model entities, relationships, and constraints that support reliable data pipelines.

ETLData ModelingQualityAntra
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4
Behavioral & Leadership6 questions · ~53 min
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The finish line: interview-readyComplete all 37 questions plus 2 hands-on drills to finish this plan.