Add office photos
Filter interviews by
CoLearn Data Analyst Interview Questions, Process, and Tips
CoLearn Data Analyst Interview Experiences
1 interview found
Anonymous
I applied via Referral and was interviewed in May 2021. There were 5 interview rounds.
Interview Questionnaire
9 Questions
- Q1. What type of work have you done in IND money so far?
- Ans. Created dashboards on different analytical tools like Tableau/Redash/Metabase, created emailers, created flat tables for self service BI. Created data-pipelines for ingestion of data.
- Q2. Why do you want to switch?
- Ans. I'm looking for new experiences, improve my learning as I have plateaued my knowledge. Work in a better environment and do something more meaningful
- Q3. Basic SQL commands
- Ans. Was an MCQ and had to select the right syntax for the query.
- Q4. Difference in foreign key and primary key
- Ans.
Foreign key is a field in a table that refers to the primary key of another table.
Primary key uniquely identifies a record in a table, while foreign key establishes a link between two tables.
Primary key cannot have duplicate values, while foreign key can have duplicate values.
Primary key is used to enforce entity integrity, while foreign key is used to enforce referential integrity.
Foreign key helps in establishing rel...
- Q5. Python based questions
- Ans. MCQ type, had to select the right syntax
- Q6. How to created flat tables using sql
- Ans.
Flat tables can be created using SQL by selecting the desired columns from multiple tables and joining them based on common keys.
Identify the tables that need to be included in the flat table
Determine the common keys between the tables
Use the SELECT statement to choose the desired columns from each table
Join the tables using the common keys
Apply any necessary filtering or sorting
Save the result as a new table or view
- Q7. Show any report or dashboard
- Ans.
I don't have the available data
- Q8. What do the 4 graphs signify?
- Ans.
The 4 graphs represent different data sets and their visual representations.
Each graph may represent different variables or data points.
The graphs could show trends, patterns, or relationships in the data.
They may include bar graphs, line graphs, scatter plots, or pie charts.
The graphs can be used to analyze and interpret the data visually.
- Q9. Compare the graphs to real world scenarios
- Ans.
Comparing graphs to real world scenarios
Graph A represents the sales growth of a company over time
Graph B shows the population growth of a city over the years
Graph C depicts the temperature fluctuations throughout a day
Graph D illustrates the stock market performance of a specific company
Interview Preparation Tips
Round type - HR Round
Round duration - 30 mins
Round description - Mostly discussion about what type of work I had done and what type of work I was expecting in the new company. Then details about why I wanted to switch.
Tips: Be honest and truthful.Round 2
Round type - Technical
Round duration - 60 mins
Round description - Details about SQL, python and tableau
Tips: Revise what you have done and know 100% about the projects you have mentioned in your CV. Understand each question completely before answering. Dont be afraid to say that I dont know the answer. Nobody knows 100%. Can attempt to answer it once you have established that you dont know the answer. That way the interviewer can judge you on the basis of your application part.Round 3
Round type - Case Study
Round description - I was given a case study and had to answer different questions.
Tips: Understand the question properly. Ask the question again if unclear. Take your time to answer it.Colearn interview Preparation:What topics did you prepare for the interview? - Statistics, SQL, Python: Numpy and Pandas, Airflow, TableauWhat resources did you refer to prepare for the interview? - Mostly documentation of what I had worked on, for SQL: w3 schools, python: different documentation of each library.What tips would you give to other job seekers? - 1. Be honest
2. Revise things you have done and worked on
3. For technical skills keep a cheat sheet handy. Sometimes it can be difficult to remember everything
4. Write down things that you are being asked that way you can look them up once you have finished your interviewWhat was the final outcome of your interview?Selected
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I was interviewed in Dec 2024.
(6 Questions)
- Q1. Tell me About Yourself
- Q2. Project working and day to day activities I do
- Q3. Rate Yourself In SQL out of 5
- Q4. Sql 3 question based on windows function
- Q5. Very basic python 2 Question
- Q6. What You do on power bi in your work Explain with full details workflow
(1 Question)
- Q1. All 3 sql Questions very simple Round but they didn't provide any Data tables just tell this and that so it may get confusing I slove 2 out of three but rejected on this Round questions Are intermidate
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Can you provide an overview of your background, including your past experiences and daily activities, as well as the tools you use in your routine?
- Q2. What are the concepts of advanced Excel and Power BI projects, and how are they utilized within a company or for clients?
(2 Questions)
- Q1. Can you explain your project experience related to Advanced Excel and Power BI?
- Q2. What are the concepts of credit and operations, particularly in relation to Know Your Customer (KYC) procedures and the privacy of client data?
Interview Preparation Tips
I applied via AmbitionBox and was interviewed in Nov 2024. There were 3 interview rounds.
(1 Question)
- Q1. I have finished Btech in Cse AI&ML taken datascience course looking for job
NLP is my favorite subject. Is relatated medical and sign language. I have done reseach with mechien learning and AI TOOLS used for problem solving approach.
A group discussion was conducted on data-based management regarding Mr. Adani's food industry products in the state of Gujarat and their exports to other countries, utilizing data analytics.
Interview Preparation Tips
Sql python bigdata hadoop hive spark
1 hour simple coding python sql
(5 Questions)
- Q1. Advantages of sql
- Ans.
SQL allows for efficient data retrieval, manipulation, and analysis in relational databases.
SQL is widely used in querying databases to retrieve specific data.
It allows for data manipulation, such as adding, updating, and deleting records.
SQL can perform complex data analysis tasks, such as aggregations and joins.
It provides a standardized language for interacting with relational databases.
SQL is essential for generati...
- Q2. Advantages of python
- Ans.
Python is a versatile programming language known for its simplicity, readability, and vast library support.
Easy to learn and use, making it ideal for beginners and experienced programmers alike
Extensive library support for data analysis, machine learning, web development, and more
Strong community support with active forums and resources for problem-solving
Cross-platform compatibility allows for seamless integration wit...
- Q3. Spark and its benefits
- Ans.
Spark is a fast and powerful big data processing framework that offers benefits like speed, ease of use, and versatility.
Spark is known for its speed, as it can process data up to 100 times faster than traditional Hadoop MapReduce.
It offers ease of use with high-level APIs in Java, Scala, Python, and SQL, making it accessible to a wide range of users.
Spark is versatile, supporting various workloads such as batch proces...
- Q4. Why to leave the company
- Q5. Huddles of data engineer
- Ans.
Huddles of data engineers refer to collaborative meetings or discussions among data engineers to share insights, solve problems, and make decisions.
Huddles are typically informal and can be scheduled or ad-hoc.
They provide a platform for data engineers to brainstorm, troubleshoot, and exchange ideas.
Huddles may involve reviewing code, discussing data pipelines, or addressing technical challenges.
Effective huddles promo...
Skills evaluated in this interview
shrishti patel
Selected
(1 Question)
- Q1. Python and sql related question
(1 Question)
- Q1. Pandas numpy visualisation sql
Alteryx data processing and reporting
I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.
Online aptitude test with maths and statistics and data analysis
(1 Question)
- Q1. Joins sql groups python numpy pandas
ananthakrishnan
Selected
I applied via Campus Placement and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. What is star topology
- Q2. Hybrid topology
Interview Preparation Tips
Aditya Nawale
Logical,verbal,quants
(2 Questions)
- Q1. What is lambda function
- Q2. What is subquary
I applied via Naukri.com and was interviewed in Nov 2024. There was 1 interview round.
(1 Question)
- Q1. How to perform Set Actions, LOD's
CoLearn Interview FAQs
Tell us how to improve this page.
Interview Questions for Popular Designations
- Senior Data Analyst Interview Questions
- Junior Data Analyst Interview Questions
- Data Analyst Intern Interview Questions
- Data Engineer Interview Questions
- Data Research Analyst Interview Questions
- Data Scientist Interview Questions
- Data Entry Operator Interview Questions
- Associate Data Analyst Interview Questions
- Show more
Data Analyst Interview Questions from Similar Companies
|
Product Manager
4
salaries
|  ₹17 L/yr - ₹24 L/yr |
|
People Operations Manager
4
salaries
| ₹16 L/yr - ₹16.5 L/yr |
|
Product Engineer
3
salaries
| ₹30 L/yr - ₹32 L/yr |
|
Senior Software Engineer
3
salaries
| ₹30 L/yr - ₹33 L/yr |
|
Production Analyst
3
salaries
| ₹18 L/yr - ₹28 L/yr |
Unacademy
upGrad
Simplilearn
MeritNation
- Home >
- Interviews >
- CoLearn Interview Questions >
- CoLearn Data Analyst Interview Questions
