Indian Institute of Technology Madras
BS Degree Programme · Examination & Study Paper
Database Management Systems
Quiz 1 · 26 Oct 2025 (Afternoon)
Official Paper
Examination Instructions & Guidelines
- Solve on notebook/paper first before checking solutions.
- MCQ: Exactly 1 option is correct. Negative marking applies.
- MSQ: One or more options correct. Select all to score.
- NAT: Numerical response. No negative marking.
- Scientific calculator allowed for all calculations.
- Official answer key is sealed at the end of this sheet.
- Q1MCQ4 Marks·Choose one option

- A

- B

- C

- D

- A
- Q2MCQ4 Marks·Choose one option

- A

- B

- C

- D

- A
- Q3MCQ4 Marks·Choose one option

- A

- B

- C

- D

- A
- Q4MCQ4 Marks·Choose one option

- A4 rows and 6 columns
- B3 rows and 7 columns
- C4 rows and 5 columns
- D3 rows and 6 columns
- Q5MCQ3 Marks·Choose one option

- A

- B

- C

- D

- A
- Q6MCQ3 Marks·Choose one option

- A

- B

- C

- D

- A
- Q7MSQ4 Marks·Choose all correct options

- A

- B

- C

- D

- A
- Q8MSQ3 Marks·Choose all correct options

- AThere might exist an item that has not been produced by any company
- BThere might exist a customer who has not ordered any item
- CAn item can be ordered by multiple customers
- DAn item cannot be produced by more than one company
- Q9MSQ2 Marks·Choose all correct options
Identify the correct statement(s):
- ALogical level of schema is analogous to type information of a variable in a program
- BIn physical level of schema,application programs hide details of data types
- CThe ability to modify the physical schema without changing the logical schema is called Logical Data Independence
- DRelational Algebra falls under the Pure class of languages used for proving properties about computational power and for optimization
- Q10NAT4 Marks·Write the number
Your answer: - Q11NAT4 Marks·Write the number
Your answer: Read the passage below, then answer Q12–Q14
Q12MCQ3 Marks·Choose one option
- A50
- B10
- C60
- D59
- Q13MSQ4 Marks·Choose all correct options

- Aa → b → c
- Bb → a → c
- Cb → c → a
- Dc → b → a
- Q14MSQ4 Marks·Choose all correct options
Which of the following SQL queries is/are used to create table Teams?
- A

- B

- C

- D

- A