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NPTEL Assignment Answers and Solutions 2024 (July-Dec). Get Answers of Week 1 2 3 4 5 6 7 8 8 10 11 12 for all courses. This guide offers clear and accurate answers for your all assignments across various NPTEL courses

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Access the Course Folder:

• Navigate to the folder of the course you are interested in. Each course has its own folder named accordingly, such as cloud-computing or computer-architecture .

Locate the Weekly Assignment Files:

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Select the Week File:

• Click on the file corresponding to the week you are interested in. For example, if you need answers for Week 3, open the week-03.md file.

Review the Answers:

• Each week-XX.md file provides detailed solutions and explanations for that week’s assignments. Review these files to find the information you need.

By following these steps, you can easily locate and use the assignment answers and solutions for the NPTEL courses provided in this repository. We hope this resource assists you in your studies!

List of Courses

Here's a list of courses currently available in this repository:

• Artificial Intelligence Search Methods for Problem Solving
• Cloud Computing
• Computer Architecture
• Cyber Security and Privacy
• Data Science for Engineers
• Data Structure and Algorithms Using Java
• Database Management System
• Deep Learning for Computer Vision
• Deep Learning IIT Ropar
• Digital Circuits
• Ethical Hacking
• Introduction to Industry 4.0 and Industrial IoT
• Introduction to Internet of Things
• Introduction to Machine Learning IIT KGP
• Introduction to Machine Learning
• Introduction to Operating Systems
• ML and Deep Learning Fundamentals and Applications
• Problem Solving Through Programming in C
• Programming DSA Using Python
• Programming in Java
• Programming in Modern C
• Python for Data Science
• Soft Skill Development
• Soft Skills
• Software Engineering
• Software Testing
• The Joy of Computation Using Python
• Theory of Computation

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Data Base Management System | NPTEL 2023 | Week 3 Assignment Solutions

This set of MCQ(multiple choice questions) focuses on the  Data Base Management System NPTEL 2023 Week 3 Assignment Solutions .

The course introduces relational data models; entity-relationship modeling, SQL, data normalization, and database design. Further it introduces query coding practices using MySQL (or any other open system) through various assignments. Design of simple multi-tier client / server architectures based and Web-based database applications is also introduced.

Course layout (Answers link)

Answers COMING SOON! Kindly Wait!

Week 0: Assignment answers Week 1:  Course Overview. Introduction to RDBMS Week 2: Structured Query Language (SQL)   Week 3: Relational Algebra. Entity-Relationship Model  Week 4: Relational Database Design Week 5:  Application Development. Case Studies. Storage and File Structure   Week 6: Indexing and Hashing. Query Processing   Week 7:  Query Optimization. Transactions (Serializability and Recoverability) Week 8:  Concurrency Control. Recovery Systems. Course Summarization.

NOTE:  You can check your answer immediately by clicking show answer button. This set contains 10 questions.

Now, start attempting the quiz.

Data Base Management System NPTEL 202 3 Week 3 Quiz Solutions

Q1. Consider the relation Payments as follows: What is the output of the following Relational Algebra?

a) UPI b) Cash c) NEFT d) Card

Answer: a) UPI

Q2. Consider teh relation Payments as follows: Which of the TransactionIDs will NOT be present in the output of R1-R2?

a) 42 b) 15 c) 14 d) 4

Answer: b) 15

Q3. Consider the relation Content(Channel, VideoTitle, Likes, Dislikes). Choose the correct Tuple Relational Calculus that represents the following statement: “Display the titles of those videos that are published on YouTube Channels and have more than 50,000 likes.”

Data Base Management System NPTEL 2023 week 3 Assignment Solutions

Q4. Consider the relation Content (Channel, VideoTitle, Likes, Dislikes). Choose the correct Domain Relational Calculus that is equivalent to the following SQL query: SELECT Channel, VideoTitle FROM Content WHERE Dislikes<100;

Q5. A C program, with embedded SQL query, allows the users to enter a date and an amount to check the transactions that were made on that day. The entered date is stored in the variable Tdate and the amount in variable amt. The SQL query returns the TransactioID and Amunt of those payments from Payments(Mode, TransactionID, PaymentDate, Amount) whose PaymentDate match with the user’s entered date and the Amount is more than the entered amount. Which of the following SQL queries is correct for the purpose?

Q6. A cloth factory maintains a schema of manufactured Clothes where each clothing item is identified by a tag. The clothes are also associated with corresponding sizes and materials. However, each cloth can be designed by multiple designers. Which of the following schema correctly represents the Clothes entity set?

Q7. Consider the three relational schemas: Stories( Title , Author, Pages, StoryCount) Books( Title, Author, Pages) Educational( Title , Author, Pages, Subject) Which of the Entity Relationship diagrams correspond to the given schemas?

Q8. Consider the Entity Relationship Diagram: Which of the following is/are true?

a) The participation of Organizer in Org.Conf is partial. b) The participation of Conference in Org.Conf is partial. c) Presenter is a composite attribute of Presentation. d) Presenter is a multivalued attribute of Presentation.

Answer: b), d)

Q9. Consider the Entity Relationship Diagram: What is the correct schema for Books?

a) Books(Acronym, PaperID, SessionID). b) Books( Acronym, PaperID, SessionID ). c) Books( Acronym, PaperID, SessionID, Presenter). d) Books( Presenter, Acronym, PaperID, SessionID).

Q10. Consider the following instance of Organizer: How many tuples will be returned by the following Relational Algebra?

a) 2 b) 6 c) 14 d) 16

Data Base Management System NPTEL 2022 Week 3 Assignment Solutions

Data Base Management System NPTEL Week 3 Assignment Solutions

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• 1st Central Law Reviews: Expert Legal Analysis & Insights

• Computer Science and Engineering
• NOC:Data Base Management System (Video) 
• Co-ordinated by : IIT Kharagpur
• Available from : 2017-12-21
• Intro Video
• Lecture 1: Course Overview
• Lecture 2 : Introduction to DBMS/1
• Lecture 3 : Introduction to DBMS/2
• Lecture 4 : Introduction to Relational Model/1
• Lecture 5 : Introduction to Relational Model/2
• Lecture 6 : Introduction to SQL/1
• Lecture 7 : Introduction to SQL/2
• Lecture 8 : Introduction to SQL/3
• Lecture 9 : Intermediate SQL/1
• Lecture 10 : Intermediate SQL/2
• Lecture 11 : Advanced SQL
• Lecture 12 : Formal Relational Query Languages
• Lecture 13 : Entity-Relationship Model/1
• Lecture 14 : Entity-Relationship Model/2
• Lecture 15 : Entity-Relationship Model/3
• Lecture 16 : Relational Database Design
• Lecture 17 : Relational Database Design (Contd.)
• Lecture 18 : Relational Database Design /3
• Lecture 19 : Relational Database Design (Contd.)
• Lecture 20 : Relational Database Design /5
• Lecture 21: Application Design and Development/1
• Lecture 22: Application Design and Development/2
• Lecture 23: Application Design and Development/3
• Lecture 24: Storage and File Structure/1: Storage
• Lecture 25: Storage and File Structure/2: File Structure
• Lecture 26 : Indexing and Hashing/1 : Indexing/1
• Lecture 27: Indexing and Hashing/2 : Indexing/2
• Lecture 28 : Indexing and Hashing/3 : Indexing/3
• Lecture 29 : Indexing and Hashing/4 : Hashing
• Lecture 30 : Indexing and Hashing/5 : Index Design
• Lecture 31: Transactions/1 : Serializability
• Lecture 32 : Transactions/2 : Serializability
• Lecture 33 : Transactions/3 : Recoverability
• Lecture 34 : Concurrency Control/1
• Lecture 35 : Concurrency Control/2
• Lecture 36 : Recovery/1
• Lecture 37 : Recovery/2
• Lecture 38 : Query Processing and Optimization/1 : Processing
• Lecture 39 : Query Processing and Optimization/2 : Optimization
• Lecture 40 : Course Summarization
• Live Session
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• Live Session 30-08-2021
• Live Session 21-09-2021
• Live Session 18-02-2021
• Live Session 09-03-2021
• Live Session 20-10-2020
• Live Session 11-11-2020
• Live Session 04-03-2020
• Live Session 19-03-2020
• Live Session 12-09-2019
• Live Session 23-09-2019
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• Assignments
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• Transcripts
• Lecture Notes (1)