Uber Data Analyst Intern Interview Questions and Answers for Freshers

I was asked a medium-level SQL question that involved the RANK function.

Q1. Create the pivot table, sort the data in ascending order
Ans. 
Create a pivot table and sort the data in ascending order.
• To create a pivot table, select the data range and go to the 'Insert' tab in Excel.

• Choose 'PivotTable' and select the location for the pivot table.

• Drag the desired fields to the 'Rows' and 'Values' areas.

• To sort the data in ascending order, click on the drop-down arrow next to the field name in the pivot table and select 'Sort A to Z'.
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Q2. Use lookup with the product based given data and find the needed data
Ans. 
Using lookup with product-based data to find the needed data.
• Use a lookup function like VLOOKUP or INDEX/MATCH to search for the needed data

• Identify the key or unique identifier to match the data

• Specify the range or table where the data is located

• Retrieve the desired data based on the lookup value
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Q1. Output resukt number of rows basis the joins
Ans. 
The output result number of rows depends on the type of join used.
• Inner join returns only the matching rows from both tables

• Left join returns all rows from the left table and matching rows from the right table

• Right join returns all rows from the right table and matching rows from the left table

• Full outer join returns all rows from both tables

• Cross join returns the Cartesian product of both tables
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Q2. Output result number of rows basis the joins
Ans. 
The question asks to output the number of rows based on joins.
• The number of rows in the output depends on the type of join used.

• Inner join only returns rows that have matching values in both tables.

• Left join returns all rows from the left table and matching rows from the right table.

• Right join returns all rows from the right table and matching rows from the left table.

• Full outer join returns all rows from both tables.

• U...read more
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Q1. Basic SQL questions
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Q1. Guestimates question: How many women's drive red car in the Bangalore
Ans. 
It is impossible to accurately estimate the number of women driving red cars in Bangalore without specific data.
• There is no specific data available on the number of women driving red cars in Bangalore.

• Estimating the number of women driving red cars in Bangalore would require access to vehicle registration data or a survey of car owners.

• Factors such as car ownership trends among women and the popularity of red cars woul
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Q2. How will achieve GMV if your budget is over
Ans. 
Achieve GMV by optimizing marketing channels, improving product offerings, and enhancing user experience.
• Optimize marketing channels to reach a larger audience

• Improve product offerings to increase customer interest and sales

• Enhance user experience to encourage repeat purchases and higher order values
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Questions were on sql , python and java

Duration was 10 minutes