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Innovaccer Data Engineer Interview Questions and Answers
Innovaccer Data Engineer Interview Experiences
2 interviews found
Anonymous
I applied via campus placement at The LNM Institute of information Technology, Jaipur and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Basic Question of mySQL like inner join,left join,right join,outer join.
- Q2. Windows function in MySQL and Basic DSA question on implementation of heap sort
Selected
I applied via Company Website and was interviewed in Aug 2024. There were 2 interview rounds.
It was Python coding and Sql query assessment round.
(2 Questions)
- Q1. Perform task on joins?
- Ans.
Joins are used to combine rows from two or more tables based on a related column between them.
Use JOIN keyword to combine tables based on a common column
Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.id = table2.id
- Q2. Explain projects
- Ans.
Projects are specific tasks or assignments that require a set of skills and resources to complete.
Projects are temporary endeavors with a defined beginning and end.
They are unique, with specific goals, deliverables, and constraints.
Projects require a team of individuals with different roles and responsibilities.
Examples: Developing a data pipeline for real-time analytics, building a recommendation system for an e-comme
Skills evaluated in this interview
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I applied via Naukri.com and was interviewed in Dec 2024. There were 2 interview rounds.
It was well designed
(2 Questions)
- Q1. Basic Questions about data warehousing
- Q2. Dbt Scenarios
Interview Preparation Tips
(2 Questions)
- Q1. How to build data pipeline
- Q2. IICS
(5 Questions)
- Q1. Explain the project you are working on.
- Q2. A code on python, strings.
- Q3. Two tables given and asked how many outputs will you get if you apply inner joim
- Q4. Versioning in aws
- Ans.
Versioning in AWS allows you to manage different versions of your resources.
AWS S3 supports object versioning to keep multiple versions of an object in the same bucket.
AWS Lambda supports versioning to manage different versions of your functions.
AWS API Gateway supports versioning to manage different versions of your APIs.
- Q5. Redshift related questions
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed in Jul 2024. There were 2 interview rounds.
Hackerearth problem on reversing the string & one more array question
(2 Questions)
- Q1. Reverse the string
- Ans.
Reverse a given string
Use built-in functions like reverse() in Python
Iterate through the string in reverse order and append characters to a new string
Use stack data structure to reverse the string
- Q2. SQL based windowing function
Skills evaluated in this interview
Selected
I was interviewed in Sep 2024.
Logical questions which are highly useful
Multiple coding questions they asked in pyspark
I applied via Company Website and was interviewed before Aug 2023. There was 1 interview round.
(1 Question)
- Q1. About project what are optimization you have done
I applied via Naukri.com and was interviewed in Jun 2021. There were 4 interview rounds.
Interview Questionnaire
3 Questions
- Q1. 1.joins and all basic SQL questions
- Q2. 2. Oops knowledge advantage but not necessary.
- Ans.
Object-oriented programming (OOP) knowledge is an advantage but not necessary for a data engineer.
OOP concepts like inheritance, encapsulation, and polymorphism can be useful in designing data models.
OOP languages like Java and Python are commonly used in data engineering.
Understanding OOP can help with debugging and maintaining code.
However, OOP is not a requirement for data engineering and other programming paradigms
- Q3. 3.er relationship
Interview Preparation Tips
2.tech1
3.tech2
4.hr
(1 Question)
- Q1. Tell me about yourself, second highest salary , question related to coleasce function
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