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TCS iON Data Analyst Interview Questions and Answers
TCS iON Data Analyst Interview Experiences
3 interviews found
I applied via Naukri.com and was interviewed in Oct 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Types of join and explain
- Ans.
Types of join are inner, left, right and full outer join.
Inner join returns only the matching rows from both tables.
Left join returns all the rows from the left table and matching rows from the right table.
Right join returns all the rows from the right table and matching rows from the left table.
Full outer join returns all the rows from both tables, with NULL values in the columns where there is no match.
Join is used t...
- Q2. Types of data in python
- Ans.
Python supports various data types including numeric, string, boolean, list, tuple, set, and dictionary.
Numeric data types include int, float, and complex
String data type is represented by str
Boolean data type is represented by bool
List data type is represented by list
Tuple data type is represented by tuple
Set data type is represented by set
Dictionary data type is represented by dict
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Sep 2023. There were 3 interview rounds.
Hacker Rank test Write a query to fetch the EmpFname from the EmployeeInfo table in upper case and use the ALIAS name as EmpName
(1 Question)
- Q1. SQL or Structured Query Language is a standard language for dealing with relational databases. With the humongous amount of data present, it is very important for us to understand how to use queries to ret...
Selected
I applied via Campus Placement and was interviewed in May 2023. There were 2 interview rounds.
(1 Question)
- Q1. Tell me about your project
(1 Question)
- Q1. Why do you want to join this company
Interview questions from similar companies
I applied via Campus Placement and was interviewed in Dec 2024. There were 4 interview rounds.
Two coding questions related to matrices and heaps.
(1 Question)
- Q1. Python and SQL coding
(1 Question)
- Q1. Same questions like tech 1
(2 Questions)
- Q1. Self intro , why tiger
- Q2. Relocation
Interview Preparation Tips
- Python
- SQL
Data Analyst Interview Questions & Answers
Indium Software
Satyamshree Moharana
posted on 21 Nov 2024
I applied via Approached by Company and was interviewed in Oct 2024. There were 2 interview rounds.
(1 Question)
- Q1. Briefing about my last job
(2 Questions)
- Q1. On python data manipulation(easy)
- Q2. Sql(intermediate)
I applied via Recruitment Consulltant and was interviewed in Jul 2024. There was 1 interview round.
(2 Questions)
- Q1. Tableau interview questioins
- Q2. SQl based quetions
Data Analyst Interview Questions & Answers
Quantiphi Analytics Solutions Private Limited
Anonymous
posted on 19 Nov 2024
I applied via campus placement at Indian Institute of Information Technology, Design and Manufacturing (IIITDM), Jabalpur and was interviewed in May 2024. There were 2 interview rounds.
DURATION 1.3 HRS WITH REASONING AND 2 CODING QUESTION
(2 Questions)
- Q1. SQL QUESTION FIND N TH HIGHEST SALARY
- Ans.
Use SQL query with ORDER BY and LIMIT to find the Nth highest salary.
Use ORDER BY clause to sort salaries in descending order
Use LIMIT to specify the Nth highest salary
Example: SELECT salary FROM employees ORDER BY salary DESC LIMIT N,1
- Q2. SQL QUESTION PIVOT TABLE QUESTION
Skills evaluated in this interview
I applied via Approached by Company and was interviewed in Mar 2024. There were 2 interview rounds.
Coding test for all the student attending the first round, give your best practice every day all the best in your interview
(2 Questions)
- Q1. What are your interest
- Ans.
My interests include data analysis, problem-solving, and continuous learning.
Data analysis
Problem-solving
Continuous learning
- Q2. Java related question
Interview Preparation Tips
I applied via Approached by Company and was interviewed in Apr 2024. There was 1 interview round.
SQL and python questions are very easy.
Interview Preparation Tips
(1 Question)
- Q1. Introduce yourself
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Operations Executive
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