Collegedunia Business Analyst Interview Questions and Answers

The test was based on SQL and the questions were similar to medium difficulty level questions in leetcode.

Q1. Describe different types of joins
Ans. 
Different types of joins are used in database queries to combine data from multiple tables.
• Inner join: Returns only the matching records from both tables.

• Left join: Returns all records from the left table and the matching records from the right table.

• Right join: Returns all records from the right table and the matching records from the left table.

• Full outer join: Returns all records when there is a match in either the ...read more
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Q2. 2 tables were given and I was asked to tell the number of rows in output based on different types of joins.
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Q3. Calculated the rows based on joins and told the answer.
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Q1. Describe your previous experience
Ans. 
I have 3 years of experience as a Business Analyst in the IT industry.
• Worked on gathering and analyzing business requirements

• Created functional specifications and user stories

• Conducted stakeholder interviews and facilitated meetings

• Performed data analysis and created reports

• Collaborated with cross-functional teams to implement solutions

• Utilized tools like JIRA and Confluence for project management

• Improved business proc
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Q2. Shared the details regarding my experience
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Q3. A SQL based puzzle based on window functions where I had to find 4 consecutive empty seats in a theater.
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Q4. Solved using lag function.
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The interviewer asked about my previous experience along with a few situation based questions and then gave me a case study to find out possible reasons for a decrease in the cancellations between order dispatch and order delivery.

Q1. Guesstimates, SQL, MS-Excel related questions.
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A case study, few HR questions.

SQL Assignment: Decent SQL questions were provided, Answers were provided with detailed approach. Time-in out sql problem, cohorts problem was there

Q1. Partition functions,creating dynamic buckets and sql puzzles were the highlights
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Case study to understand the problem-solving aptitude was asked. Focus was more on the approach rather than the final outcome

Sql and python,numpy,pandas

Q1. Analyst skills,data handlling
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4 challenges on coderbyte

Q1. Joins, windowed function and basic sql queries
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Q1. SQL, Case study, and puzzles.
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