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Adda 247 Data Analyst Interview Questions and Answers
Adda 247 Data Analyst Interview Experiences
2 interviews found
Selected
I applied via LinkedIn and was interviewed in Jun 2024. There were 2 interview rounds.
Sql, numpy, pandas, dictionary, pandas group by, merging
(1 Question)
- Q1. Normal questions
I applied via Referral and was interviewed before May 2023. There were 2 interview rounds.
(1 Question)
- Q1. SQL queries , python pandas and numpy , power bi related questions
(1 Question)
- Q1. Previous experience, skills and expertise
Interview questions from similar companies
(5 Questions)
- Q1. It is related to SQL, Python, and Excel
- Q2. Not Remember the interview questions exactly
- Q3. What is grouped by in SQL
- Ans.
In SQL, data is grouped by a specified column or expression using the GROUP BY clause.
Data is grouped based on the values in the specified column or expression
Aggregate functions like SUM, COUNT, AVG can be used with GROUP BY to perform calculations on each group
GROUP BY is often used in conjunction with the SELECT statement
Example: SELECT department, AVG(salary) FROM employees GROUP BY department
- Q4. List and dictionary differences
- Ans.
Lists are ordered collections of items, while dictionaries are unordered collections of key-value pairs.
Lists are accessed by index, dictionaries are accessed by key
Lists maintain the order of elements, dictionaries do not guarantee order
Lists use square brackets [], dictionaries use curly braces {}
Example: list - [1, 2, 3], dictionary - {'a': 1, 'b': 2}
- Q5. Lambda functions in python
- Ans.
Lambda functions are anonymous functions in Python that can have any number of arguments but only one expression.
Lambda functions are defined using the lambda keyword.
They are commonly used for small, one-time tasks.
Lambda functions can take any number of arguments, but can only have one expression.
Example: add = lambda x, y: x + y
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via LinkedIn and was interviewed before Oct 2023. There were 2 interview rounds.
Around sql/python and other da tools
Stats and probability with focus on puzzles
Interview Preparation Tips
Selected
I applied via Approached by Company and was interviewed before Apr 2023. There were 2 interview rounds.
They will give you problem to solve
Machine coding round
Interview Preparation Tips
SARTHAK AHUJA
Basic Aptitude test
Coding Round is little tough.
(3 Questions)
- Q1. Formal conversation about the projects and all that kind of stuff
- Q2. What kind of project you have worked on
- Q3. How you tackles different project
Interview Preparation Tips
Software Developer Interview Questions & Answers
BridgeLabz Solutions
Anonymous
posted on 31 Jan 2024
Selected
I applied via Walk-in and was interviewed in Dec 2023. There were 3 interview rounds.
Patterns, strings, arrays,.
(1 Question)
- Q1. Tell me about your skills
(1 Question)
- Q1. Tell me about yourself Relocation
Software Developer Interview Questions & Answers
BridgeLabz Solutions
Anonymous
posted on 15 Feb 2024
I applied via Naukri.com and was interviewed in Aug 2023. There was 1 interview round.
(2 Questions)
- Q1. Explain tuples, list, etc
- Ans.
Tuples and lists are data structures in Python used to store multiple items.
Tuples are immutable and ordered collections of elements.
Lists are mutable and ordered collections of elements.
Both can store different data types.
Tuples are defined using parentheses, while lists use square brackets.
Example: tuple = (1, 'a', True), list = [1, 'a', True]
- Q2. Explain about the code
- Ans.
The code is a software program that performs a specific function.
The code is written in a specific programming language.
It may contain functions, classes, or modules.
The code may interact with databases or external APIs.
It could be part of a larger software system or application.
The code may have been written by multiple developers.
It may include comments or documentation to explain its purpose.
Interview Preparation Tips
Skills evaluated in this interview
Software Developer Interview Questions & Answers
BridgeLabz Solutions
bulagonda aparna
posted on 16 Feb 2024
Selected
I applied via Naukari and was interviewed in Jan 2024. There were 5 interview rounds.
Aptitude and reasoning questions
Coadingprogrammingtest
Disscus about particular topic
(1 Question)
- Q1. To check skills
(1 Question)
- Q1. Asking about jober
Software Developer Interview Questions & Answers
BridgeLabz Solutions
Anonymous
posted on 1 Mar 2024
I applied via Walk-in and was interviewed in Feb 2024. There were 2 interview rounds.
3-4 easy level coding questions(find maximum number,Reverse String,Bubble Sort,Leap Year)
(1 Question)
- Q1. Easy OOPs based
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Adda 247 Data Analyst Interview Process
based on 2 interviews
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