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Questions 1. Explain why the data in the table is not in First Normal Form.

Questions 1. Explain why the data in the table is not in First Normal Form.

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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Questions 1. Explain why the data in the table is not in First Normal Form. 2. Explain why the data in the table is not in Third Normal Form. • For this question you cannot say "Because it's not in First (or Second) Normal Form". You need to explain why specifically it is not in Third Normal Form. 3. Reorganize the attributes into Third Normal Form (create separate aggregates that conform to 3NF). Underline the candidate key for each aggregate, like this example from the Snotify case study: o Artist: {Artist ID, Stage Name, Last Name, Middle Name, First Name, Date of Birth} • Do not invent any new attributes when doing this.
Transcribed Image Text:Questions 1. Explain why the data in the table is not in First Normal Form. 2. Explain why the data in the table is not in Third Normal Form. • For this question you cannot say "Because it's not in First (or Second) Normal Form". You need to explain why specifically it is not in Third Normal Form. 3. Reorganize the attributes into Third Normal Form (create separate aggregates that conform to 3NF). Underline the candidate key for each aggregate, like this example from the Snotify case study: o Artist: {Artist ID, Stage Name, Last Name, Middle Name, First Name, Date of Birth} • Do not invent any new attributes when doing this.
Guest House Paradiso The Guest House Paradiso used to be a splendid place to stay. But things haven't been updated in a while. Including the way that room bookings are recorded. At the moment they're recorded in a spreadsheet like this: Bookings Table Room Number Number of Nights Arrival Date Departure Date Guest Last Name Guest Phone Number Optional Extras 203 Mar 18 2022 Mar 20 2022 Howard 555-2381 bug-free bed 101 Mar 18 2022 Mar 21 2022 3 Gallagher 555-3619 clean towels, hot water 302 Mar 18 2022 Mar 19 2022 1 Mortimer 555-0856 bug-free bed, clean towels 103 Mar 18 2022 Mar 23 2022 5 McQueen 557-2428 hot water ... 203 Mar 20 2022 Mar 23 2022 3 Carraclough 554-8652 clean towels, hot water Optional Extras There are three types of 'Optional Extras' available in all rooms, and guests can order any combination of these: • hot water • bug-free bed • clean towels NOTE: For this scenario we will assume that a guest's phone number never changes and is unique.
Transcribed Image Text:Guest House Paradiso The Guest House Paradiso used to be a splendid place to stay. But things haven't been updated in a while. Including the way that room bookings are recorded. At the moment they're recorded in a spreadsheet like this: Bookings Table Room Number Number of Nights Arrival Date Departure Date Guest Last Name Guest Phone Number Optional Extras 203 Mar 18 2022 Mar 20 2022 Howard 555-2381 bug-free bed 101 Mar 18 2022 Mar 21 2022 3 Gallagher 555-3619 clean towels, hot water 302 Mar 18 2022 Mar 19 2022 1 Mortimer 555-0856 bug-free bed, clean towels 103 Mar 18 2022 Mar 23 2022 5 McQueen 557-2428 hot water ... 203 Mar 20 2022 Mar 23 2022 3 Carraclough 554-8652 clean towels, hot water Optional Extras There are three types of 'Optional Extras' available in all rooms, and guests can order any combination of these: • hot water • bug-free bed • clean towels NOTE: For this scenario we will assume that a guest's phone number never changes and is unique.
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