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TCS Data Engineer Interview Questions, Process, and Tips
Top TCS Data Engineer Interview Questions and Answers
- Q1. what is an internal and external table in Hive
- Q2. what is view in SQL and dense and dense rank
- Q3. How to deal with data quality issues
TCS Data Engineer Interview Experiences
89 interviews found
Anonymous
Selected
I applied via LinkedIn and was interviewed in Nov 2023. There were 3 interview rounds.
(3 Questions)
- Q1. Tell me about yourself
- Q2. What do you do in your current project
- Q3. What do you know about data Mining
- Ans.
Data mining is the process of analyzing large datasets to discover patterns, trends, and insights.
Data mining involves extracting useful information from large datasets
It uses techniques such as machine learning, statistics, and database systems
Examples include market basket analysis, anomaly detection, and clustering
(2 Questions)
- Q1. How can you change a set of data to useful data through python
- Ans.
Data can be transformed into useful data through Python by cleaning, transforming, and analyzing it.
Clean the data by removing duplicates, handling missing values, and correcting errors.
Transform the data by reshaping it, aggregating it, or creating new features.
Analyze the data by performing statistical analysis, machine learning algorithms, or data visualization.
Example: Use pandas library to clean and transform data...
- Q2. What do you know about tree in python
- Ans.
In Python, a tree is a hierarchical data structure composed of nodes connected by edges.
Trees are used to represent hierarchical relationships, such as file systems or organization charts.
Each node in a tree has a parent node and zero or more child nodes.
Trees can be binary (each node has at most two children) or n-ary (each node can have multiple children).
Example: Binary tree implementation in Python using classes an
(1 Question)
- Q1. What are your expectation
Interview Preparation Tips
(2 Questions)
- Q1. About worked project discussion
- Q2. Real time facing problem
Selected
I applied via Naukri.com and was interviewed in Jun 2024. There was 1 interview round.
(1 Question)
- Q1. What to know about query optimization?
Interview Preparation Tips
What people are saying about TCS
I applied via Approached by Company and was interviewed in Dec 2023. There was 1 interview round.
(2 Questions)
- Q1. Asked about Datafactory runtime and udf logics in pyspark
- Q2. In sql they asked about match point table
Interview Preparation Tips
TCS interview questions for designations
Atharva Bhangre
(2 Questions)
- Q1. Spark related questions
- Q2. Hadoop architecture and ecosystem questions
Get interview-ready with Top TCS Interview Questions
Maxil Dourave
Find the top 3 salary person from each department
(2 Questions)
- Q1. Spark salting Technic
- Q2. Spark partition and repartition
Selected
I applied via Walk-in and was interviewed in Dec 2023. There were 3 interview rounds.
Bubble sort in python medium one
(2 Questions)
- Q1. NA dont ana share
- Q2. NA dont want to share
(2 Questions)
- Q1. NA dont ant to share
- Q2. NA dont want to share
(2 Questions)
- Q1. What is sql and types
- Ans.
SQL is a programming language used for managing and manipulating relational databases.
SQL stands for Structured Query Language
Types of SQL include MySQL, PostgreSQL, Oracle, SQL Server, etc.
SQL is used for querying, updating, and managing databases
Common SQL commands include SELECT, INSERT, UPDATE, DELETE
- Q2. Coding round using python
Skills evaluated in this interview
Amit Kumar
I applied via Campus Placement
35 mins round with 10 english and 25 aptitute questions
1 hour round with 2 coding questions from DSA
(1 Question)
- Q1. Data related questions
Vishal Kashyap
(2 Questions)
- Q1. String traversal
- Q2. Oops and interface coding
TCS Interview FAQs
The duration of TCS Data Engineer interview process can vary, but typically it takes about less than 2 weeks to complete.
Tell us how to improve this page.
TCS Interviews By Designations
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- Show more
TCS Data Engineer Interview Process
based on 93 interviews
4 Interview rounds
- Technical Round - 1
- Technical Round - 2
- HR Round - 1
- HR Round - 2
Data Engineer Interview Questions from Similar Companies
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TCS Data Engineer Reviews and Ratings
based on 416 reviews
Rating in categories
|
System Engineer
1.1L
salaries
|  ₹0 L/yr - ₹0 L/yr |
|
IT Analyst
66.6k
salaries
| ₹0 L/yr - ₹0 L/yr |
|
AST Consultant
51.5k
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Assistant System Engineer
29.8k
salaries
| ₹0 L/yr - ₹0 L/yr |
|
Associate Consultant
29.5k
salaries
| ₹0 L/yr - ₹0 L/yr |
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