EBK CONCEPTS OF DATABASE MANAGEMENT
8th Edition
ISBN: 8220100706004
Author: Last
Publisher: Cengage Learning US
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Chapter 7, Problem 13RQ
To determine
To describe when to use forward recovery and steps used in forward recovery.
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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 7 Solutions
EBK CONCEPTS OF DATABASE MANAGEMENT
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- Refer to page 30 for problems on image edge detection. Instructions: Implement an edge detection algorithm (e.g., Sobel or Canny) for the given image. • Explain the preprocessing steps (grayscale conversion, noise reduction) and calculate gradient intensities. • Visualize and compare the results with manual edge annotations. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZ F/view?usp=sharing]arrow_forwardRefer to page 100 for problems on 2D and 3D transformations. Instructions: Compute the result of applying a sequence of transformations (e.g., translation, rotation, scaling) to a given shape. Use homogeneous coordinates for matrix representation. • Show all intermediate matrices and verify the final position of the shape. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440 AZF/view?usp=sharing]arrow_forwardRefer to page 35 for problems involving MapReduce. Instructions: • Implement a MapReduce program to solve the given problem (e.g., word count, data aggregation). Clearly outline the map and reduce functions, showing intermediate outputs for each step. • Test the program with a sample dataset and verify the correctness of the results. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]arrow_forward
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