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Room contains room details for each hotel and (roomNo, hotelNo) forms the prin Booking contains details of bookings and (hotelNo, guestNo, dateFrom) forms th Guest contains guest details and guestNo is the primary key. 1. Identify the foreign keys in this schema. Explain how the entity and refere to these relations. 2. Produce some sample tables for these relations that observe the relational some general constraints that would be appropriate for this schema. 3. Analyze the RDBMS8 that you are currently using. Determine the support primary keys, alternate keys, foreign keys, relational integrity, and views.

Room contains room details for each hotel and (roomNo, hotelNo) forms the prin Booking contains details of bookings and (hotelNo, guestNo, dateFrom) forms th Guest contains guest details and guestNo is the primary key. 1. Identify the foreign keys in this schema. Explain how the entity and refere to these relations. 2. Produce some sample tables for these relations that observe the relational some general constraints that would be appropriate for this schema. 3. Analyze the RDBMS8 that you are currently using. Determine the support primary keys, alternate keys, foreign keys, relational integrity, and views.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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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) where 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 bookings and (hotelNo, guestNo, dateFrom) forms the primary key; Guest contains guest details and guestNo is the primary key. 1. Identify the foreign keys in this schema. Explain how the entity and referential integrity rules apply to these relations. 2. Produce some sample tables for these relations that observe the relational integrity rules. Suggest some general constraints that would be appropriate for this schema. 3. Analyze the RDBMSS that you are currently using. Determine the support the system provides for primary keys, alternate keys, foreign keys, relational integrity, and views.
Transcribed Image Text: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) where 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 bookings and (hotelNo, guestNo, dateFrom) forms the primary key; Guest contains guest details and guestNo is the primary key. 1. Identify the foreign keys in this schema. Explain how the entity and referential integrity rules apply to these relations. 2. Produce some sample tables for these relations that observe the relational integrity rules. Suggest some general constraints that would be appropriate for this schema. 3. Analyze the RDBMSS that you are currently using. Determine the support the system provides for primary keys, alternate keys, foreign keys, relational integrity, and views.
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