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Bain & Company Data Engineer Interview Questions and Answers for Freshers
Bain & Company Data Engineer Interview Experiences for Freshers
1 interview found
Anonymous
I applied via Company Website and was interviewed in Aug 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Project related discussions
- Q2. Meduim level SQl and DSA
(2 Questions)
- Q1. This was data modelling round
- Q2. Design a uber data model
- Ans.
Uber data model design for efficient storage and retrieval of ride-related information.
Create tables for users, drivers, rides, payments, and ratings
Include attributes like user_id, driver_id, ride_id, payment_id, rating_id, timestamp, location, fare, etc.
Establish relationships between tables using foreign keys
Implement indexing for faster query performance
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
I was interviewed before Jun 2021.
(2 Questions)
Round duration - 180 minutes
Round difficulty - Easy
It was an mcq + coding round. There were aptitude and ouput based question in mcq. And coding questions were easy
- Q1.
Find the Duplicate Number Problem Statement
Given an integer array 'ARR' of size 'N' containing numbers from 0 to (N - 2). Each number appears at least once, and there is one number that appears twice. Yo...
- Ans.
Find the duplicate number in an array of integers from 0 to (N-2).
Iterate through the array and keep track of the frequency of each number using a hashmap.
Return the number with a frequency greater than 1 as the duplicate number.
Time complexity can be optimized to O(N) using Floyd's Tortoise and Hare algorithm.
- Q2.
Reverse String Operations Problem Statement
You are provided with a string
Sand an array of integersAof sizeM. Your task is to performMoperations on the string as specified by the indices in arrayA... - Ans.
Given a string and an array of indices, reverse substrings based on the indices to obtain the final string.
Iterate through the array of indices and reverse the substrings accordingly
Ensure the range specified by each index is non-empty
Return the final string after all operations are completed
Round duration - 60 Minutes
Round difficulty - Easy
It was technical + hr round. there were 2 people as interviewer. They stated from intro and asked some basic puzzles and hr questions. After that they asked about my projects, technologies and some ds algo and dbms questions.
Interview Preparation Tips
Tip 1 : Practice aptitude
Tip 2 : Focus on practicing coding
Tip 3 : Learn from mistakes
Tip 1 : Mention some projects that you have done
Tip 2 : Try to have skills that are required for the role
Skills evaluated in this interview
Interview Questionnaire
6 Questions
- Q1. What is fan trap? How to solve it? Give one example.
- Ans.
Fan trap is a situation in which a query involving multiple tables results in a Cartesian product.
Fan trap occurs when a table is connected to multiple tables in a one-to-many relationship.
It can be solved by creating a bridge table or by using aggregate functions.
For example, if a customer table is connected to an orders table and a products table, a fan trap can occur when trying to retrieve information about custome...
- Q2. Two tables are joined. But joined type are not mentioned, then how much records will retrieve using select statement.
- Q3. How to use dynamic break in report?
- Ans.
Dynamic break in report allows for automatic page breaks based on data.
Define a break field in the report design
Set the break field to trigger a page break when its value changes
Use dynamic break to automatically adjust page breaks based on data
Example: A report on sales by region can use dynamic break to create a new page for each region
- Q4. Use of foreach function in report.
- Ans.
Foreach function is used to iterate through an array of strings in a report.
Foreach function is used to loop through each element in an array of strings.
It can be used to display each element in a report.
Example: foreach(string item in stringArray){ Console.WriteLine(item); }
- Q5. What is Aggregate awareness? When we use it? Syntax of it.
- Ans.
Aggregate awareness is a feature in Business Objects that allows reports to be optimized for performance by using aggregate tables.
Aggregate awareness is used when creating reports in Business Objects
It allows the report to use aggregate tables instead of detailed tables for improved performance
Syntax: AGGR_AWARE(
, , )
Example: AGGR_AWARE(Product, Sum(Sales), Sales_Fact_Table)
Answered by AIAdd your answer- Q6. @prompt function syntax and it's use.
- Ans.
The @prompt function syntax is used to display a prompt message to the user and receive input.
The syntax is @prompt('message', 'default value')
The message is the prompt message to be displayed to the user
The default value is optional and will be displayed in the input field
The function returns the value entered by the user
Answered by AIAdd your answer 
I applied via Campus Placement and was interviewed before Nov 2021. There were 2 interview rounds.
Round 1 - Resume Shortlist
Pro Tip by AmbitionBox:Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.View all tipsRound 2 - Technical(2 Questions)
- Q1. Python and Java questions
- Q2. Oops basic interview questions
Add your answerAdd your answerInterview Preparation Tips
Interview preparation tips for other job seekers - Easily we can Just Practice basic interview questions Interview Preparation Tips
Interview preparation tips for other job seekers - they ask question on basics and concepts more, rest interview is easy. I applied via Company Website and was interviewed before Oct 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. String manipulation , collections, framework understanding
Add your answerInterview Preparation Tips
Interview preparation tips for other job seekers - For QA Automation - Basics of OOPS concept,collections,strings are enough I applied via Walk-in and was interviewed before May 2021. There were 2 interview rounds.
Round 1 - Aptitude TestGeneral Aptitude
Round 2 - Technical(2 Questions)
- Q1. Java related questions
- Q2. Senarios related questions
Add your answerAdd your answerInterview Preparation Tips
Interview preparation tips for other job seekers - Just be confident and face the interview I applied via Campus Placement and was interviewed before Apr 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Tell me about Yourself?
Add your answerInterview Preparation Tips
Interview preparation tips for other job seekers - Before going to the interview the most important things to be done which works like miracles..
1. Sit in the meditative state for 2-5 mins just before the interview.
2.Think about all the blessings and all that you have and thank for having that.
3. Go with the mind set of being ethical and say to yourself that you are going to crack this interview no matter what (Easy,Medium or difficult)
Thank you
I would be happy if many people can take advantage of these advices. I applied via Naukri.com and was interviewed before Nov 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Plsql and sql questions and
Add your answerInterview Preparation Tips
Interview preparation tips for other job seekers - SQL knowledge should be strong I applied via Campus Placement and was interviewed before May 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. I have attended the interview as a fresher in Off-Campus event. Its all about academic project and what skills you possess at the moment of time.
Add your answerInterview Preparation Tips
Interview preparation tips for other job seekers - Prepare well about the points mentioned the resume and face the interviewer with confidence. Bain & Company Interview FAQsHow many rounds are there in Bain & Company Data Engineer interview for freshers?Bain & Company interview process for freshers usually has 2 rounds. The most common rounds in the Bain & Company interview process for freshers are One-on-one Round.How to prepare for Bain & Company Data Engineer interview for freshers?Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Bain & Company. The most common topics and skills that interviewers at Bain & Company expect are Python, Business Intelligence, Coding, Consulting and Data Management.Tell us how to improve this page.
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