Car Rental System: Design and Implement a Vehicle Reservation System

Problem Design a car rental system supporting multiple vehicle types, locations, and concurrent reservations. Implement: A vehicle cannot be double-booked. search_available must return vehicles with no overlapping reservations. Example Follow-ups How do you handle concurrent reserve calls for the same vehicle? How would you model late returns and additional charges? Sketch the database schema. How do you index reservations for fast availability search?