KhataBook Business Analyst Interview Questions and Answers

Q1. Joins outputs for various types of joins
Ans. 
Joins in SQL are used to combine rows from two or more tables based on a related column between them.
• Types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN

• INNER JOIN returns rows when there is at least one match in both tables

• LEFT JOIN returns all rows from the left table and the matched rows from the right table

• RIGHT JOIN returns all rows from the right table and the matched rows from the left table

• FU...read more
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Q2. Query using window functions
Ans. 
Window functions are used to perform calculations across a set of table rows related to the current row.
• Window functions are used in SQL to perform calculations on a set of rows related to the current row.

• They allow you to perform calculations like ranking, moving averages, and cumulative sums.

• Examples of window functions include ROW_NUMBER(), RANK(), and SUM() OVER().
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Q1. SQL Queries for JOINS
Ans. 
SQL queries for JOINS
• Use INNER JOIN to retrieve rows from both tables that have matching values

• Use LEFT JOIN to retrieve all rows from the left table and the matched rows from the right table

• Use RIGHT JOIN to retrieve all rows from the right table and the matched rows from the left table

• Use FULL JOIN to retrieve rows when there is a match in either table
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Q2. QUERY FOR metrics given in the sheet
Ans. 
The query is asking for metrics provided in a specific sheet.
• Identify the specific sheet being referred to in the question

• Review the metrics listed in the sheet

• Analyze the relevance of each metric to the query
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This is a case study round revolve around a business problem in which we have to analyse data driven solutions.

Q1. Basic questions on joins and aggregate functions.
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Q2. Basic theoretical sql questions
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Q1. Basic questions on python
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Case studies about Navi UPI

Case studies about Navi UPI App

Quantitative case study on cost benefit analysis of 2 types of public buses running in a city. Need to choose one of them with higher profits

Fraud detection model: 3rd party firm proposing to use thier model for fraud detection. Need to profit analysis of whether to go for it or not.

Q1. Culture fit round to understand if compatible with the company
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General aptitude questions and excel questions

Q1. Knowledge of excel, guesstimate
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Q1. Cultural fitment
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Q1. SQL, Python and Excel
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