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DataGrokr Data Engineer Intern Interview Questions and Answers
DataGrokr Data Engineer Intern Interview Experiences
2 interviews found
I applied via Approached by Company and was interviewed in Sep 2023. There were 3 interview rounds.
You get an assignment with a deadline of 4-5 days. It's basically the SQL queries and Flask API. So the assignment will be evaluated on code quality and time taken for execution.
(5 Questions)
- Q1. In-depth SQL knowledge required.
- Q2. Any one programming language you prefer and questions will be asked on it.
- Q3. Print 1-50 using SQL (not from the table).
- Ans.
Use recursive CTE to print numbers 1-50 in SQL
Use recursive Common Table Expression (CTE) to generate numbers from 1 to 50
Start with anchor member as 1 and recursively add 1 until reaching 50
Select the generated numbers from the CTE
- Q4. Study the assignment you did very well,questions will be on this as well.
- Q5. Will be asked to explain about all your projects mentioned in resume, or even the skills u acquired.
Interview Preparation Tips
Skills evaluated in this interview
I attended interview for data engineer intern in March 2024. First round was written test which consisted of 30 questions of 50 marks, Out of which 27 questions are MCQ type and 3 questions are coding.
The coding questions are
1. Write program to find the Fibonacci series
2. Program to check if a linked list is palindrome or not
3. Query to find the Nth highest salary
Interview Preparation Tips
- SQL
- Python
- DSA
Interview questions from similar companies
(2 Questions)
- Q1. What is the full form of ETL?
- Ans.
ETL stands for Extract, Transform, Load. It is a process used in data warehousing to extract data from various sources, transform it into a consistent format, and load it into a target database.
ETL stands for Extract, Transform, Load
Extract: Involves extracting data from various sources such as databases, applications, and files
Transform: Involves cleaning, filtering, and transforming the extracted data into a consiste...
- Q2. ETL Full form is Exact, Transform, Load.
Interview Preparation Tips
Software Engineer Interview Questions & Answers
Thinkitive Technologies
Anonymous
posted on 4 May 2019
I applied via Naukri.com and was interviewed in Oct 2018. There were 3 interview rounds.
Interview Questionnaire
3 Questions
- Q1. Asked me to draw spring mvc architecture and about collection framework.
- Q2. Asked me to write the logic for pattern.
- Q3. Asked me on core java.
Interview Preparation Tips
Skills: Communication
Duration: <1 week
Ridam Satkar
Selected
I appeared for an interview before Mar 2024.
(2 Questions)
- Q1. What experience do you have in this role?
- Q2. What tools or technologies are you comfortable using?
- Ans.
I am proficient in various data analysis tools, including Excel, SQL, Python, and visualization software like Tableau.
Excel: Advanced functions, pivot tables, and data visualization.
SQL: Writing complex queries for data extraction and manipulation.
Python: Utilizing libraries like Pandas and NumPy for data analysis.
Tableau: Creating interactive dashboards for data visualization.
R: Statistical analysis and data visualiza
Interview Preparation Tips
Software Engineer Interview Questions & Answers
Thinkitive Technologies
Arpita Raut
posted on 16 Aug 2024
(2 Questions)
- Q1. What is oops in python
- Ans.
Object-oriented programming (OOP) is a programming paradigm based on the concept of objects, which can contain data and code.
OOP allows for organizing code into reusable components called classes.
In Python, classes are defined using the 'class' keyword.
Classes can have attributes (variables) and methods (functions).
Inheritance allows classes to inherit attributes and methods from other classes.
Polymorphism allows objec...
- Q2. What is ternary operant in python
- Ans.
Ternary operator in Python is a conditional expression that evaluates to a value based on a condition.
Ternary operator is written as 'value_if_true if condition else value_if_false'
It is a shorthand way of writing an if-else statement in a single line
Example: x = 10 if a > b else 20
Skills evaluated in this interview
(2 Questions)
- Q1. Tell me about projects you have worked upon
- Q2. PEP-8 standards
(2 Questions)
- Q1. Architecture of project on which you were working
- Q2. Pandas and Numpy
(2 Questions)
- Q1. Tell me your Current CTC
- Q2. Tell me your Expected CTC
Software Engineer Interview Questions & Answers
Apmosys Technologies
Anonymous
posted on 24 Apr 2024
Selected
I applied via Referral and was interviewed before Apr 2023. There were 3 interview rounds.
Basic java questions along with aptitude questions.
(1 Question)
- Q1. Basic oops concept, java functionalities, spring framework.
(1 Question)
- Q1. Basic Hr questions, when you can join, expected ctc...
Software Engineer Interview Questions & Answers
Apmosys Technologies
Anonymous
posted on 16 Dec 2024
Selected
I applied via Campus Placement and was interviewed in Nov 2024. There were 2 interview rounds.
The aptitude test was relatively straightforward, consisting of both aptitude and technical questions, with a difficulty level ranging from easy to medium.
(2 Questions)
- Q1. Was asked to write a code on basic DSA concept
- Q2. Then was asked basic questions on DSA and SQL
Interview Preparation Tips
Software Engineer Interview Questions & Answers
Apmosys Technologies
Sanket Samantasinghar
posted on 24 Dec 2024
Selected
I applied via Campus Placement and was interviewed in Jun 2024. There were 3 interview rounds.
(2 Questions)
- Q1. Question on Java mcq
- Q2. Questions on Oops
(1 Question)
- Q1. Questions based on resume
(1 Question)
- Q1. Questions on direction, physics
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DataGrokr Data Engineer Intern Interview Process
based on 2 interviews
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