Open Financial Technologies Private Limited Data Analyst Interview Questions and Answers

Q1. Basic SQL questions are asked in this round Some theory questions are asked as well
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Technical SQL Coding Round of 1 hour

Began with 2 easy generic question -
1. No. of record on different types of joins.
2. Employees who have higher salaries than their managers,

Then moved to medium questions -
1. Implement Rolling sum with & without window functions.
2. Other questions were on CTEs, Joins & other complex queries.

Bar Raiser Round of 1 hour involving -

1. Case study: How can we leverage product knowledge & analytics to increase Amazon Prime Revenue from 10% to 12%?

2. Metrics awareness: Common metrics discussion like DAU, PDAU, MAU, Retention, Churn, etc.

3. Resume based work exp discussion

Q1. Quick culture fitment round with HR discussing about past work experience, my expectations & why I want to join Jupiter.
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SQL - technical round

Case Study round - 2

Mostly medium leetcode

Mostly medium level DSA

Q1. AWS, GCP , Kubernetes, Docker
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Q1. Security standards, cloud security
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Q1. What techonologies do you know?
Ans. 
I am proficient in SQL, Python, R, Tableau, and Excel for data analysis and visualization.
• SQL

• Python

• R

• Tableau

• Excel
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SQL Coding Tests. You get 3 tables and they ask you to find customer with certain conditions. Not hard

Q1. Brief me about yourself
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Q1. What is your experience as a data analyst?
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Sql, python, statistical questions

Q1. How daily work looks like?
Ans. 
Daily work involves analyzing data, creating reports, and communicating findings to stakeholders.
• Reviewing and cleaning data sets

• Creating visualizations and dashboards

• Conducting statistical analysis

• Communicating insights to non-technical stakeholders
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Q2. Most ise tools?
Ans. 
Some of the most commonly used tools for data analysis include Excel, Python, R, Tableau, and SQL.
• Excel is widely used for data manipulation and analysis.

• Python and R are popular programming languages for data analysis and machine learning.

• Tableau is a powerful data visualization tool.

• SQL is essential for querying databases and extracting data.
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4 sql tasks on 3 tables. Joins, subqueries

Q1. What is the order of execution in sql
Ans. 
The order of execution in SQL is: FROM, WHERE, GROUP BY, HAVING, SELECT, ORDER BY.
• 1. FROM: Specifies the tables involved in the query.

• 2. WHERE: Filters the rows based on specified conditions.

• 3. GROUP BY: Groups the rows that have the same values into summary rows.

• 4. HAVING: Filters groups based on specified conditions.

• 5. SELECT: Selects the columns to be included in the result set.

• 6. ORDER BY: Sorts the result set base
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Q1. How to do conditional formatting in excel
Ans. 
Conditional formatting in Excel allows users to format cells based on specified conditions.
• Select the range of cells you want to apply conditional formatting to

• Go to the 'Home' tab and click on 'Conditional Formatting'

• Choose the desired formatting option, such as color scales, data bars, or icon sets

• Set the conditions for when the formatting should be applied, such as greater than, less than, or equal to a certain valu...read more
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