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 8, Problem 3SPTC
To determine
Towrite SQL query to give appropriate permission to data entry operator. To explain the reason for some privileges being limited to DBA.
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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]
Refer 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]
Refer 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]
Chapter 8 Solutions
Concepts of Database Management
Ch. 8 - Prob. 1RQCh. 8 - Prob. 2RQCh. 8 - Prob. 3RQCh. 8 - Prob. 4RQCh. 8 - Prob. 5RQCh. 8 - Prob. 6RQCh. 8 - Prob. 7RQCh. 8 - Prob. 8RQCh. 8 - Prob. 9RQCh. 8 - Prob. 10RQ
Ch. 8 - Prob. 11RQCh. 8 - Prob. 12RQCh. 8 - Prob. 13RQCh. 8 - Prob. 14RQCh. 8 - Prob. 15RQCh. 8 - Prob. 16RQCh. 8 - Prob. 17RQCh. 8 - Prob. 18RQCh. 8 - Prob. 19RQCh. 8 - Prob. 20RQCh. 8 - Prob. 21RQCh. 8 - Prob. 1BCECh. 8 - Prob. 2BCECh. 8 - Prob. 3BCECh. 8 - Prob. 4BCECh. 8 - Prob. 5BCECh. 8 - Prob. 1CATCCh. 8 - Prob. 2CATCCh. 8 - Prob. 3CATCCh. 8 - Prob. 4CATCCh. 8 - Prob. 1SPTCCh. 8 - Prob. 2SPTCCh. 8 - Prob. 3SPTCCh. 8 - Prob. 4SPTCCh. 8 - Prob. 5SPTC
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- Refer to page 90 for problems on parallelizing matrix multiplication. Instructions: • Implement a parallel matrix multiplication algorithm using thread-level parallelism. Analyze the speedup and efficiency compared to the sequential approach. • Include performance metrics and test the implementation on different matrix sizes. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]arrow_forwardRefer to page 85 for problems involving the A* search algorithm. Instructions: Implement the A* algorithm for the given problem, defining the heuristic function explicitly. Trace the algorithm's steps, showing the open and closed lists at each iteration. • Verify the optimality of the solution by analyzing the heuristic used. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440AZF/view?usp=sharing]arrow_forwardRefer to page 12 for problems on binary search trees (BSTs). Instructions: Construct a BST for the given set of elements. • Perform in-order, pre-order, and post-order traversals, showing the sequence of visited nodes. • Implement and explain operations such as insertion, deletion, and search. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qo Hazb9tC440 AZF/view?usp=sharing]arrow_forward
- Refer to page 55 for problems on cache memory. Instructions: • Solve a problem involving direct-mapped, set-associative, or fully associative cache. • Compute hit/miss ratios and explain the memory address mapping process. Show all calculations and verify your results with a sample memory access sequence. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440 AZF/view?usp=sharing]arrow_forwardRefer to page 45 for problems involving software design patterns. Instructions: • Implement the given design pattem (e.g., Singleton, Factory, Observer) in a programming language of your choice. Provide a detailed explanation of the design and its benefits in the given context. Verify correctness by showing outputs for sample inputs. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ 9qoHazb9tC440 AZF/view?usp=sharing]arrow_forwardRefer to page 8 for problems on shortest path algorithms. Instructions: Implement and analyze Dijkstra's or Bellman-Ford algorithm for the given graph. • Demonstrate all steps, including initialization and updates at each iteration. Verify the correctness of the solution by comparing it to an alternate method. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qo Hazb9tC440AZF/view?usp=sharing]arrow_forward
- Refer to page 50 for problems related to hashing. Instructions: • Implement a hash table with collision resolution techniques (e.g., chaining or open addressing). • Insert and search for elements, showing intermediate states of the hash table. • Analyze the time complexity for each operation and verify with sample inputs. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS31Z9qoHazb9tC440 AZF/view?usp=sharing]arrow_forwardRefer to page 5 for analyzing sorting algorithms. Instructions: • Explain and implement the given sorting algorithm (e.g., Merge Sort, Quick Sort, or Heap Sort). • Analyze the time and space complexity of the algorithm. • Provide a detailed walkthrough with an example, showing intermediate steps and comparisons. Link: [https://drive.google.com/file/d/1wKSrun-GlxirS3IZ9qoHazb9tC440AZF/view?usp=sharing]arrow_forwardFor a hierarchical carry look-ahead adder, GO can be written like below. Find the gate delay needed to obtain GO without fan-in and with a fan-in of 3 inputs. GO=g7+p7g6+p7p6g5+p7p6p5g4+p7p6p5p4g3+p7p6p5p4p3g2+p7p6p5p4p3p2g1+p7p6p 5p4p3p2p1g0 Select one: a. O b. GOO B B GO without fan-in limitation will require 3 gate delays GO with fan-in limitation of 3 will require 5 gate delays GO without fan-in limitation will require 4 gate delays • GO with fan-in of 3 will require 3 gate delays C. • GO without fan-in limitation will require 5 gate delays GO with fan-in limitation of 3 will require 3 gate delays O d. GO without fan-in limitation will require 2 gate delays GO with fan-in limitation of 3 will require 4 gate delaysarrow_forward
- 1. Show that S₁ = S2 if and only if S₁ U S2 = S₁n S2. 2. Show that if S1 and S2 are finite sets with |S₁ = n and |S₂| = m, then S₁ U S2 ≤n+m. 3. If language L is regular and is given by L ={awa : w = {a, b} *} Then show that L² is regular.arrow_forwardProblem 3: Consider the two-link planar elbow manipulator shown below with link information: a₁ = 3, a₂ = 3. a2 S 3/0 Link | a | ai | di ai | di | 0i | มา 02 21 02. 12 01 0 0 01 02 0 0 02 01 To (a) Find the location of the end-effector P° if the joint angles are: 0₁ = 140°, 0₂ = 30° (b) Find the values of joint variables 01, 02 if the robotic manipulator is commanded to reach the desired location of Pº = [4.5, 3,0]. Notice there are possibly two sets of solutions. (c) Also sketch the two poses of the robot for the computed joint variables. Page 5 of 7arrow_forwardProblem 5: The following shows the schematic of a SCARA robot and its DH parameters. Complete the following questions based on this information. 20 01 21 02. 22 done by ai α; di Ꮎ ; 21 d3 1 a1 0 0 0₁** 2 a2 180° 0 0% 3 0 0 d3 0 The Jacobian matrix of this robot is given below: -a1S1a2S12 -a2S12 J(q) = a1c1 + a2c12 0 a2C12 0 10° (a) For a₁ = 1, a2 = 2, is q = 180° a singularity configuration of this robot? a1 3 [10°1 (b) For a₁ = 1, a2 = 2, is q = | 0° a singularity configuration of this robot? 3arrow_forward
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