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Top Hotels Per City Query
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Top Hotels Per City Query

MediumSQL · PostgreSQL

Problem

Write a query to find the top 3 most booked hotels in each city for the last 30 days.

Count booking records whose booking date falls within the 30-day period ending today. Include only hotels represented in the hotel table. If a city has fewer than three qualifying hotels, return all available hotels.

Output

  1. One row per qualifying hotel, with city, hotel_id, hotel_name, booking_count, and hotel_rank.
  2. Include the top three hotels per city, ordered by city, rank, and hotel ID. Break booking-count ties by the lower hotel_id.

Schema

hotels
ColumnTypeDescription
hotel_idPKINTUnique hotel identifier
hotel_nameVARCHAR(150)Hotel display name
cityVARCHAR(100)City where the hotel is located
bookings
ColumnTypeDescription
booking_idPKINTUnique booking identifier
hotel_idINTHotel associated with the booking
booked_atDATEDate on which the booking was made
Tableshotelsbookings
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