Interview Questions

1. Which of the following is not a level of abstraction in a DBMS?

Options:

a. View Layer

b. Physical layer

c. Abstract layer

d. Conceptual layer

Reveal Answer

2. Which of the following is a database model?

Options:

a. Network model

b. Hierarchical Model

c. Relational Model

d. Entity Model

Reveal Answer

3. Which of the following is false?

Options:

a. A primary key is selected from composite keys

b. A primary key can be composed of more than column

Reveal Answer

4. A row is synonymous to which of the following term?

Options:

a. Column

b. Record

c. Relation

d. Field

Reveal Answer

5. Properties that describe the characteristics of entities are called?

Options:

a. Attributes

b. Identifiers

c. Relationships

Reveal Answer

6. Entities can be associated with one another in which of the following?

Options:

a. Attributes

b. Relationships

c. Identifiers

Reveal Answer

7. An entity set is a collection of?

Options:

a. Set of entities

b. Collection of different entities

c. Collection of related entities

d. Collection of similar entities

Reveal Answer

8. Verbs used in the description of a system or business rules represent?

Options:

a. Entities of an ER diagram

b. Relationships of an ER diagram

Reveal Answer

9. An ER diagram is used to represent?

Options:

a. Physical view of the database

b. Conceptual view of the database

Reveal Answer

Interview Questions and Answer

1. Which of the following is not a level of abstraction in a DBMS?

2. Which of the following is a database model?

3. Which of the following is false?

4. A row is synonymous to which of the following term?

5. Properties that describe the characteristics of entities are called?

6. Entities can be associated with one another in which of the following?

7. An entity set is a collection of?

8. Verbs used in the description of a system or business rules represent?

9. An ER diagram is used to represent?

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