Based on the following figure. The relationship on the MEMBER side indicates that: PK BOOKS ISBN TITLE o PRICE O a. A BOOKS may be borrowed by zero or one MEMBER only O b. A MEMBER may borrow one BOOKS O c. A BOOK may be borrowed by one or more MEMBER O d. A MEMBER may borrow zero or more BOOKS borrow (ON) (0,1) borrowed by PK MEMBER MEMBERID NAME ADDRESS o PHONE o EMAIL

Based on the following figure. The relationship on the MEMBER side indicates that: PK BOOKS ISBN TITLE o PRICE O a. A BOOKS may be borrowed by zero or one MEMBER only O b. A MEMBER may borrow one BOOKS O c. A BOOK may be borrowed by one or more MEMBER O d. A MEMBER may borrow zero or more BOOKS borrow (ON) (0,1) borrowed by PK MEMBER MEMBERID NAME ADDRESS o PHONE o EMAIL

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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Given the following relation that stores details about students' activities: StudentID StudentName Activity ActivityFee AmountPaid 100 Jones Golf 65.00 65.00 100 Jones Skiing 200.00 0.00 200 Davis Skiing 200.00 0.00 200 Davis Swimming 50.00 50.00 300 Garrett Skiing 200.00 100.00 300 Garrett Swimming 50.00 50.00 400 Jones Golf 65.00 65.00 400 Jones Swimming 50.00 50.00 If the functional dependencies are consistent with the above relation, put TRUE. If they are not, put FALSE. StudentID à StudentName StudentID , StudentName à Activity Activity à ActivityFee Activity à StudentID StudentID à Activity StudentID à AmountPaid
Q: Make System Sequence Diagram on any 3 use-cases from following scenario: A client wishes to develop a COVID-19 Tracer App. The app should automatically track and store contacts’ IDs of two users with same app. The users should be able to see a login/signup window upon new installation of app. The user must be able to view his/her account information. The user can update his/her account information. The user can view the ID numbers of contacts he/she made in recent 15 days. The user must be notified if someone tested COVID positive among his/her contact. The user can view COVID symptoms. The user should be able to check his health condition in terms of COVID symptoms. The user can view self quarantine guidelines. The user should be able to view COVID statistics in his/her area. The user can view COVID statistics around the whole country. The user should be able to decide whether or not share his/her information with the government. The government should be able to view information of…
The KCA library orders books from one or more book suppliers. Each order contains quantity of books required, mode of delivery and the order date. The detail captured about a book includes the ISBN number, the title, author and publisher of the book. Books may be borrowed by registered members, who are identified by a borrower number. The library also keeps members’ name, email address and phone number. A member may borrow a maximum of two (2) books on each occasion. A supplier delivers one or more books orders to the library. The supplier’s name, address and telephone contact is kept by library. Draw an ERD to model the data stored in the KCA library system.
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QUESTION 5 Given the following relation that stores details about students' activities: StudentID StudentName Activity ActivityFee AmountPaid 100 Jones Golf 65.00 65.00 100 Jones Skiing Skiing Swimming 50.00 Skiing Swimming 200.00 0.00 200 Davis 200.00 0.00 200 Davis 50.00 300 Garrett 200.00 100.00 300 Garrett 50.00 50.00 400 Jones Golf 65.00 65.00 400 Jones Swimming 50.00 50.00 If the functional dependencies are consistent with the above relation, put TRUE. If they are not, put FALSE. StudentID → StudentName StudentID , StudentName → Activity
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