CONCEPTS OF DATABASE MANAGEMENT
9th Edition
ISBN: 9780357261354
Author: Pratt
Publisher: CENGAGE C
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Chapter 1, Problem 19RQ
To determine
Way in which complexity of DBMS can be a disadvantage.
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Refer to page 145 for problems on RL algorithms.
Instructions:
• Implement the Q-learning algorithm for a given environment (e.g., grid world).
Show the convergence of the Q-values and the resulting optimal policy.
• Analyze the effects of hyperparameters like learning rate and discount factor.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qo Hazb9tC440AZF/view?usp=sharing]
Refer to page 120 for problems on web development.
Instructions:
Design a responsive webpage using HTML, CSS, and JavaScript for the given layout.
Ensure proper rendering across devices with different screen sizes.
⚫ Test responsiveness using developer tools and explain design decisions.
Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qo Hazb9tC440AZF/view?usp=sharing]
Refer to page 80 for problems on software development processes.
Instructions:
• Develop a sprint plan for a given project, including user stories and acceptance criteria.
• Simulate one sprint, showing task progress and sprint retrospective outcomes.
• Analyze team velocity and recommend improvements.
Link [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440 AZF/view?usp=sharing]
Chapter 1 Solutions
CONCEPTS OF DATABASE MANAGEMENT
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- Refer 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_forwardRefer to page 1 for problems on file system allocation. Instructions: Compare and simulate file allocation strategies (contiguous, linked, and indexed allocation). . Create a sample file system and allocate files using each strategy, showing intermediate structures. • Analyze space utilization and access time for each method. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]arrow_forwardRefer to page 105 for problems on association rule mining. Instructions: • Implement the Apriori algorithm to identify frequent itemsets from the given dataset. • Compute support, confidence, and lift for each rule and interpret the results. Test the algorithm on a sample dataset and verify all intermediate computations. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]arrow_forward
- Refer to page 25 for problems on symmetric encryption techniques. Instructions: • Implement a block cipher algorithm like AES or DES for the given plaintext and key. Show the key scheduling process and all encryption steps (substitution, permutation, etc.). Verify correctness by decrypting the ciphertext and recovering the original plaintext. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440AZF/view?usp=sharing]arrow_forwardRefer to page 65 for problems on RSA encryption and decryption. Instructions: • Perform key generation by selecting primes, computing n, o(n), and e. • Encrypt the given plaintext and decrypt the ciphertext, showing all modular arithmetic calculations. • Validate your solution by confirming that decryption recovers the original plaintext. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440AZF/view?usp=sharing]arrow_forwardRefer to page 95 for problems on optimizing functions using gradient descent. Instructions: Apply gradient descent to minimize the given cost function. Derive the gradients for each parameter and show the iterative updates. • Plot the convergence of the cost function with respect to iterations and verify correctness. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]arrow_forward
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