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Zoomcar Data Engineer Interview Questions and Answers
Zoomcar Data Engineer Interview Experiences
1 interview found
Selected
I applied via Approached by Company and was interviewed before Oct 2022. There were 4 interview rounds.
(1 Question)
- Q1. Given unsorted array find the subarray with given sum
- Ans.
Find subarray with given sum in an unsorted array
Use a sliding window approach to iterate through the array
Keep track of the current sum and adjust the window based on the sum
Return the subarray when the sum matches the given sum
(1 Question)
- Q1. What is partitioning and how it works
- Ans.
Partitioning is the process of dividing a large dataset into smaller, more manageable parts based on certain criteria.
Partitioning helps in improving query performance by allowing parallel processing of data
It can be done based on date, region, or any other relevant criteria
Examples include partitioning a sales database by year or partitioning a log file by date
(1 Question)
- Q1. Why do you want to move away from current role
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Dushant Kumar
(1 Question)
- Q1. What is difference between dense_rank and rank function
Selected
I applied via campus placement at Netaji Subhas Institute of Technology (NSIT) and was interviewed before Oct 2023. There were 3 interview rounds.
It was demure and well balanced.
(2 Questions)
- Q1. Databases based on resume.
- Q2. Sql based questions
(2 Questions)
- Q1. Sql based question
- Q2. Resume and intern experiences.
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Data Engineer Interview Questions & Answers
Shiprocket Private Limited
Anonymous
posted on 27 Feb 2024
(1 Question)
- Q1. Design the generic tool or package using pyspark which allows to create connections to multiple databases like mysql, s3 or api. Fetch the result and do transformations like handling null values and then s...
- Ans.
Design a generic tool in pyspark to connect to multiple databases, fetch results, handle null values, and store output in another database
Use pyspark to create a tool that can connect to databases like mysql, s3, or api
Implement functions to fetch data from the databases and perform transformations like handling null values
Utilize pyspark to store the transformed data in another database
Consider using pyspark SQL funct
Skills evaluated in this interview
I applied via I don't remember and was interviewed in Aug 2022. There was 1 interview round.
(1 Question)
- Q1. About experience DBMS questions
Interview Preparation Tips
I dint feel comfortable right from the start of the interview. The interviewer was condescending and not accepting even correct answers and claiming I failed to know basic stuff required for the role. I ended the interview in less than half the time it was scheduled for. I'm sure I don't want to work under such a person who wants to keep rejecting answers and pointing how you did not know answer to a question.
Interview is generally to understand how good the candidate is and how good the company is. After first 5 mins of the call I knew I dint want to work there. He added a team member just to tell him if there was any important thing he had to look into (like that other guy is some kind of service assistant to him).
Even after I accepted I wasn't the right fit for the role and bailed, he again pointed out how I barely knew anything that I should for the role (which is not necessary as the interview is over).
Gautham Reddy
(2 Questions)
- Q1. Interviewer asked me basic SQL questions
- Q2. In the second technical round he asked me advanced SQL topics (Windows Functions, Joins & Subqueries)
In the second technical round interview asked me about advanced sql topics, theory questions and two coding questions in joins and window functions.
khushi kalra
I applied via LinkedIn and was interviewed in Aug 2024. There were 3 interview rounds.
It was an online assessment. Some coding questions. Some cs fundamental mcqs. SQL query, Rest Api question.
An assignment to create a game using nodejs/ go lang/ java.
(2 Questions)
- Q1. Discussion related to Assignment. Told some changes and told to add some more functionalities.
- Q2. Some APIS were given. It was case study. You had to show the dishes to a customer according to his preferences.
(5 Questions)
- Q1. Basic Excel Questions
- Q2. Medium and Basic SQL Questions
- Q3. Resume based Question
- Q4. Case Study Questions
- Q5. Questions on Project
Questions were crayon box ,the bot and the game and happy neighbourhood for 90 mins
(2 Questions)
- Q1. Array basics was asked
- Q2. Segment tree,prefix sum
(1 Question)
- Q1. Low level design was asked
Kanishk Rawat
I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
(1 Question)
- Q1. Create pagination component using an api show the data for the pages
- Ans.
Create a pagination component using an API to display data for different pages.
Use API to fetch data for each page
Implement pagination logic to display data for each page
Allow users to navigate between pages
Skills evaluated in this interview
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