Exl India Data Analyst Interview Questions and Answers

First round was aptitude test,duration is of 25 minutes involves SQL,PowerBI,Python, Qunatitative Aptitude,SAS skillset

Talk to the head hunter. General phone screening

Q1. Talk to the hiring manager and another manager from BI. Asked about work experience and gave me a SQL test
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Shared a dataset and wanted me to provide some insights and also build some slides to present

Python, SQL, Aptitude

Q1. SQL - A table EmployeeSkills was given having two columns EmpID & Skills. There can be multiple for an employee id with skills he possess. You need to find the EmpID having skills in Python and SQL
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Q2. PowerBI - Create Bookmarks in Power BI
Ans. 
Bookmarks in Power BI allow users to save the state of a report, including filters, slicers, and visuals.
• Bookmarks can be created by selecting 'View' and then 'Bookmarks' in the Power BI toolbar.

• Users can add bookmarks by selecting 'Add' and then naming the bookmark.

• Bookmarks can be applied by selecting the desired bookmark from the 'Bookmarks' pane.

• Bookmarks can be used to save different views of a report for easy acc
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Q3. SQL - Find cumulative Profit sum in a given table.
Ans. 
Use SQL query with window function to find cumulative profit sum in a given table.
• Use window function like SUM() with ORDER BY clause to calculate cumulative profit sum.

• Example: SELECT date, profit, SUM(profit) OVER (ORDER BY date) AS cumulative_profit FROM table_name;

• Ensure the table has a column for date and profit to order and calculate cumulative sum.
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SQL, Python and Power BI

Q1. Detailed questions on probability. Statistical questions.
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