Concepts of Database Management
9th Edition
ISBN: 9781337093422
Author: Joy L. Starks, Philip J. Pratt, Mary Z. Last
Publisher: Cengage Learning
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Chapter 4, Problem 7CATC
a)
To determine
To Write SQL query to make CustomerNum as foreign key in the reservation table.
b)
To determine
To Write SQL query to make TripID a foreign key in the reservation table.
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Refer to page 140 for problems on PKI and encryption.
Instructions:
• Simulate a PKI system, including the generation of public-private key pairs and digital certificates.
•
Demonstrate secure communication between two parties using the certificates.
•
Explain certificate validation and revocation processes.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qo Hazb9tC440 AZF/view?usp=sharing]
Refer to page 155 for problems on search engine basics.
Instructions:
• Build an inverted index for a collection of text documents.
•
•
Demonstrate how to use the index for efficient keyword search.
Analyze space and time efficiency compared to a sequential search.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qo Hazb9tC440 AZF/view?usp=sharing]
Refer to page 160 for problems on loT device management.
Instructions:
•
Simulate an energy-efficient sensing algorithm for loT devices.
Demonstrate how duty cycling reduces power consumption while maintaining data accuracy.
• Compare energy usage before and after optimization.
Link:
[https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440AZF/view?usp=sharing]
Chapter 4 Solutions
Concepts of Database Management
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