PhonePe Interview Questions, Process, and Tips

Rank assigns unique numbers to each row based on the order specified, while dense rank assigns consecutive numbers without gaps.

• Rank leaves gaps in the ranking sequence if there are ties, while dense rank does not

• Rank function is used to assign a unique rank to each row, while dense rank function is used to assign a unique rank to each distinct row

• For example, if there are two rows with the same value and rank 1, the n...read more

The number of values in different types of joins depends on the relationship between the tables.

• In a left join, all values from the left table are included along with matching values from the right table. The number of values will be equal to the number of rows in the left table.

• In a right join, all values from the right table are included along with matching values from the left table. The number of values will be equ...read more

Use SQL query to find the newest customer id for every product

• Use GROUP BY clause to group by product

• Use MAX() function to find the newest customer id for each product

• Join the tables if necessary

To increase the average order value of Swiggy customers, we can implement upselling techniques and personalized recommendations.

• Implement a loyalty program where customers can earn points for every order and redeem them for discounts or free items.

• Offer bundle deals or combo meals at a discounted price to encourage customers to spend more.

• Utilize data analytics to provide personalized recommendations based on past orde...read more

Gpay offers seamless integration with other Google services and has a wider user base. A new feature could be integration with Google Maps for location-based payments.

• Gpay has a larger user base compared to PhonePe

• Gpay offers seamless integration with other Google services such as Gmail and Google Calendar

• A new feature could be integration with Google Maps for location-based payments

Handle highly critical accounts by prioritizing communication, building strong relationships, and providing exceptional support.

• Regularly communicate with key stakeholders to address any issues or concerns

• Proactively identify potential challenges and work towards solutions

• Provide personalized support and solutions to meet the unique needs of each critical account

• Establish trust and credibility through consistent follow...read more