The following tables form part of a database held in a relational DBMS: Hotel (hotelNo, hotelName, city) Room (roomNo, hotelNo, type, price) Booking (hotelNo, guestNo, dateFrom, dateTo, roomNo) Guest (guestNo, guestName, guestAddress) • Hotel contains hotel details and hotelNo is the primary key; • Room contains room details for each hotel and (roomNo, hotelNo) forms the primary key; • Booking contains details of the bookings and (hotelNo, guestNo, dateFrom) forms the primary key; • Guest contains guest details and guestNo is the primary key. Run the SQL statements for the following queries and report the screenshots of these SQL statements and the results generated from PostgreSQL. (a) List the roomNo, type, and price of the Biltmore Hotel (using subquery) (or a specific hotel name in your database). (b) What is the average price of a room? (c) List the guestNo and gusetName of guests who live in Chicago or Seattle, alphabetically ordered by their names. (d) List the number of rooms in each hotel in Kansas City. (e) List full details of every room in Room relation. (f) Update the price of all rooms by 8% and then list full details of every room in Room
The following tables form part of a database held in a relational DBMS: Hotel (hotelNo, hotelName, city) Room (roomNo, hotelNo, type, price) Booking (hotelNo, guestNo, dateFrom, dateTo, roomNo) Guest (guestNo, guestName, guestAddress) • Hotel contains hotel details and hotelNo is the primary key; • Room contains room details for each hotel and (roomNo, hotelNo) forms the primary key; • Booking contains details of the bookings and (hotelNo, guestNo, dateFrom) forms the primary key; • Guest contains guest details and guestNo is the primary key. Run the SQL statements for the following queries and report the screenshots of these SQL statements and the results generated from PostgreSQL. (a) List the roomNo, type, and price of the Biltmore Hotel (using subquery) (or a specific hotel name in your database). (b) What is the average price of a room? (c) List the guestNo and gusetName of guests who live in Chicago or Seattle, alphabetically ordered by their names. (d) List the number of rooms in each hotel in Kansas City. (e) List full details of every room in Room relation. (f) Update the price of all rooms by 8% and then list full details of every room in Room
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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The following tables form part of a database held in a relational DBMS:
Hotel (hotelNo, hotelName, city)
Room (roomNo, hotelNo, type, price)
Booking (hotelNo, guestNo, dateFrom, dateTo, roomNo)
Guest (guestNo, guestName, guestAddress)
• Hotel contains hotel details and hotelNo is the primary key;
• Room contains room details for each hotel and (roomNo, hotelNo) forms the primary
key;
• Booking contains details of the bookings and (hotelNo, guestNo, dateFrom) forms the
primary key;
• Guest contains guest details and guestNo is the primary key.
Run the SQL statements for the following queries and report the screenshots
of these SQL statements and the results generated from PostgreSQL.
(a) List the roomNo, type, and price of the Biltmore Hotel (using subquery) (or a specific
hotel name in your database).
(b) What is the average price of a room?
(c) List the guestNo and gusetName of guests who live in Chicago or Seattle, alphabetically
ordered by their names.
(d) List the number of rooms in each hotel in Kansas City.
(e) List full details of every room in Room relation.
(f) Update the price of all rooms by 8% and then list full details of every room in Room
relation. Compare the output with the output in (e).
Hotel (hotelNo, hotelName, city)
Room (roomNo, hotelNo, type, price)
Booking (hotelNo, guestNo, dateFrom, dateTo, roomNo)
Guest (guestNo, guestName, guestAddress)
• Hotel contains hotel details and hotelNo is the primary key;
• Room contains room details for each hotel and (roomNo, hotelNo) forms the primary
key;
• Booking contains details of the bookings and (hotelNo, guestNo, dateFrom) forms the
primary key;
• Guest contains guest details and guestNo is the primary key.
Run the SQL statements for the following queries and report the screenshots
of these SQL statements and the results generated from PostgreSQL.
(a) List the roomNo, type, and price of the Biltmore Hotel (using subquery) (or a specific
hotel name in your database).
(b) What is the average price of a room?
(c) List the guestNo and gusetName of guests who live in Chicago or Seattle, alphabetically
ordered by their names.
(d) List the number of rooms in each hotel in Kansas City.
(e) List full details of every room in Room relation.
(f) Update the price of all rooms by 8% and then list full details of every room in Room
relation. Compare the output with the output in (e).
put in sql form
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