Paytm Payments Bank Senior Engineering Manager Interview Questions and Answers

Design data modelling and flow for IRCTC.

• Identify entities like trains, stations, passengers, bookings, payments, etc.

• Create a database schema with tables for each entity and their attributes.

• Establish relationships between tables using foreign keys.

• Implement data validation and constraints to ensure data integrity.

• Design a flow for booking tickets, making payments, and generating tickets.

• Ensure data security and priva...read more