InfyTQ DML Statements Quiz 1

Question 1

Time: 00:00:00
Which of the following provides the ability to query information from the database and insert tuples into, delete tuples from, and modify tuples in the database?

DML(Data Manipulation Language)

DML(Data Manipulation Language)

DDL(Data Definition Language)

DDL(Data Definition Language)

Query

Query

Relational Schema

Relational Schema

Question 2

Time: 00:00:00
An ________ is a set of entities of the same type that share the same properties, or attributes.

Entity set

Entity set

Attribute set

Attribute set

Relation set

Relation set

Entity model

Entity model

Question 3

Time: 00:00:00
Entity is a _________

Object of relation

Object of relation

Present working model

Present working model

The thing in real world

The thing in real world

Model of relation

Model of relation

Question 4

Time: 00:00:00
The descriptive property possessed by each entity set is _________

Entity

Entity

Attribute

Attribute

Relation

Relation

Model

Model

Question 5

Time: 00:00:00
The function that an entity plays in a relationship is called that entity’s _____________

Participation

Participation

Position

Position

Role

Role

Instance

Instance

Question 6

Time: 00:00:00
The attribute name could be structured as an attribute consisting of first name, middle initial, and last name. This type of attribute is called

Simple attribute

Simple attribute

Composite attribute

Composite attribute

Multivalued attribute

Multivalued attribute

Derived attribute

Derived attribute

Question 7

Time: 00:00:00
The attribute AGE is calculated from DATE_OF_BIRTH. The attribute AGE is

Single Valued

Single Valued

Multi Valued

Multi Valued

Composite

Composite

Derived

Derived

Question 8

Time: 00:00:00
Not applicable condition can be represented in relation entry as

NA

NA

NULL

NULL

BLANK SPACE

BLANK SPACE

Question 9

Time: 00:00:00
Which of the following can be a multivalued attribute?

Phone Number

Phone Number

Name

Name

Date of Birth

Date of Birth

All of the above

All of the above

Question 10

Time: 00:00:00
Which of the following is a single valued attribute?

Register_number

Register_number

Address

Address

Subject Taken

Subject Taken

Refrence

Refrence

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