Uber Interview Questions, Process, and Tips

Q1. How will you improve uber ride experience
Ans. 
By implementing features such as real-time driver ratings, personalized recommendations, and improved driver training programs.
• Implement real-time driver ratings to ensure quality service

• Offer personalized recommendations based on user preferences and past rides

• Enhance driver training programs to improve professionalism and customer service

• Introduce in-app feedback system for continuous improvement
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Tree, Graph, dynamic programming

Q1. Design a parking lot
Ans. 
Design a parking lot with multiple levels and automated ticketing system
• Include multiple levels for parking spaces

• Implement automated ticketing system for entry and exit

• Provide designated spots for disabled parking

• Incorporate security cameras for surveillance

• Include payment kiosks for convenient payment options
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Basic Apititude Questions

Q1. Difference between WHERE and HAVING??
Ans. 
WHERE is used to filter rows before grouping, HAVING is used to filter groups after grouping.
• WHERE is used with SELECT statement to filter rows based on a condition

• HAVING is used with GROUP BY statement to filter groups based on a condition

• WHERE is applied before data is grouped, HAVING is applied after data is grouped

• Example: SELECT * FROM table WHERE column = 'value'

• Example: SELECT column, COUNT(*) FROM table GROUP B
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Q2. Where- Row Level Filters Having-Aggregate Filters
Ans. 
Row level filters are applied before aggregations, while aggregate filters are applied after aggregations.
• Row level filters are used to filter individual rows of data before any aggregations are performed.

• Aggregate filters are used to filter the aggregated results after the data has been grouped and summarized.

• Row level filters are typically applied using WHERE clause in SQL, while aggregate filters are applied using H...read more
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Q1. Why do you wanna join Uber?
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Q2. Best Company Ever
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1 hour on data structures and algorithms

Q1. Build Netflix architecture
Ans. 
Netflix architecture is a scalable microservices-based system with a focus on high availability and performance.
• Use microservices architecture to break down the system into smaller, independent services

• Implement a content delivery network (CDN) for efficient content distribution

• Utilize cloud services like AWS for scalability and reliability

• Implement a recommendation engine for personalized content suggestions

• Use a dist...read more
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