Explore topic-wise MCQs in Database.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Database knowledge and support exam preparation. Choose a topic below to get started.

1.

WHICH_OF_THE_FOLLOWING_IS_A_SINGLE_VALUED_ATTRIBUTE?$

A. Register_number
B. Address
C. SUBJECT_TAKEN
D. Reference
Answer» B. Address
Discussion
2.

In_a_relation_between_the_entities_the_type_and_condition_of_the_relation_should_be_specified._That_is_called_as______attribute.$

A. Desciptive
B. Derived
C. Recursive
D. Relative
Answer» B. Derived
Discussion
3.

Which of the following can be a multivalued attribute?

A. Phone_number
B. Name
C. Date_of_birth
D. All of the mentioned
Answer» B. Name
Discussion
4.

Not applicable condition can be represented in relation entry as

A. NA
B. 0
C. NULL
D. Blank Space
Answer» D. Blank Space
Discussion
5.

The attribute AGE is calculated from DATE_OF_BIRTH. The attribute AGE is

A. Single valued
B. Multi valued
C. Composite
D. Derived
Answer» E.
Discussion
6.

The attribute name could be structured as an attribute consisting of first name, middle initial, and last name. This type of attribute is called

A. Simple attribute
B. Composite attribute
C. Multivalued attribute
D. Derived attribute
Answer» C. Multivalued attribute
Discussion
7.

The function that an entity plays in a relationship is called that entity’s _____________$

A. Participation
B. Position
C. Role
D. Instance
Answer» D. Instance
Discussion
8.

The descriptive property possessed by each entity set is _________

A. Entity
B. Attribute
C. Relation
D. Model
Answer» C. Relation
Discussion
9.

Entity is a _________

A. Object of relation
B. Present working model
C. Thing in real world
D. Model of relation
Answer» D. Model of relation
Discussion
10.

An ________ is a set of entities of the same type that share the same properties, or attributes.

A. Entity set
B. Attribute set
C. Relation set
D. Entity model
Answer» B. Attribute set
Discussion