ABOUT THE COURSE :
Databases are the backbone of almost all the digital services and e-governance solutions. Modern businesses and financial systems heavily depend on databases systems and transaction processing for their successful operation. This course introduces the students to the various theoretical and practical principles involved in the design and use of databases systems with the help of database management systems (DBMS) and the SQL Standard
INTENDED AUDIENCE : Any Interested Learners
PREREQUISITES : Studying B Tech (computer science) 3rd year, Discrete Mathematics or Discrete Structures, Programming and Data Structures
Nptel Introduction to Database Systems Week 1 Assignment Answer
Course layout
Week 1 : Introduction and part of E/R Model Module
Week 2 : ER Model Module
Week 3 : Relational Model Module
Week 4 : Relational Model Module
Week 5 : TRC Module and part of SQL Module
Week 6 : SQL Module
Week 7 : Indexes Module
Week 8 : Indexes Module + Query Processing Module
Week 9 : Normal Forms Module
Week 10 : Normal Forms Module
Week 11 : Transaction Processing Module
Week 12 : Transaction Processing Module
Week 2 : ER Model Module
Week 3 : Relational Model Module
Week 4 : Relational Model Module
Week 5 : TRC Module and part of SQL Module
Week 6 : SQL Module
Week 7 : Indexes Module
Week 8 : Indexes Module + Query Processing Module
Week 9 : Normal Forms Module
Week 10 : Normal Forms Module
Week 11 : Transaction Processing Module
Week 12 : Transaction Processing Module
Nptel Introduction to Database Systems Week 1 Assignment Answer
Week 1 : Assignment 1
Due date: 2025-02-05, 23:59 IST.
Assignment not submitted
1 point
Which of the following statements is incorrect regarding databases?
1 point
Which of the following statements is incorrect regarding functionalities of databases?
1 point
Which of the following statements best describes a Physical Data Model?
1 point
Which of the following is true about an ER model?
1 point
Consider the following sets
M = { p: Recovery Manager; q: Transaction Manager; r: Buffer Manager; s: RDBMS Run-time System}
F = { w: Transaction Error Handling; x: Concurrency Control; y: Query Execution; z: Paging}
What is the most appropriate matching between sets M and F?
M = { p: Recovery Manager; q: Transaction Manager; r: Buffer Manager; s: RDBMS Run-time System}
F = { w: Transaction Error Handling; x: Concurrency Control; y: Query Execution; z: Paging}
What is the most appropriate matching between sets M and F?
1 point
Which of the following best describes the conventional role of a Data Analyst
1 point
Consider the following statements:
S1: A view usually provides access to a part of the data relevant to a group of users.
S2: A view usually provides access to the complete database.
S3: Naive users require a deep understanding of an information system to use it.
S4: Naive users do not require a deep understanding of an information system to use it.
Choose the correct option:
S1: A view usually provides access to a part of the data relevant to a group of users.
S2: A view usually provides access to the complete database.
S3: Naive users require a deep understanding of an information system to use it.
S4: Naive users do not require a deep understanding of an information system to use it.
Choose the correct option:
1 point
The ability to modify physical-level schema without affecting the logical-level/view-level schema is called:
State TRUE or FALSE
1 point
Requirements collection is the first step while creating a database system.
1 point
Application programmers don’t need a complete understanding of the database schema or views.
1 point
Indexes are added to databases to speed up query execution.
1 point
OS file systems have the advantage of allowing concurrent users, while compared to a RDBMS system.
1 point
Which of the following are generally stored in the disk storage of an RDBMS system?