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Welcome to the Data Models MCQs Page

Dive deep into the fascinating world of Data Models with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Data Models, a crucial aspect of DBMS. In this section, you will encounter a diverse range of MCQs that cover various aspects of Data Models, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within DBMS.

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Check out the MCQs below to embark on an enriching journey through Data Models. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of DBMS.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Data Models. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Data Models MCQs | Page 13 of 19

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Q121.
In categories of data modeling, the low level data models are also called

a.

conceptual data models

b.

physical data models

c.

triggered data models

d.

logical data models

Discuss
Answer: (b).physical data models
Q122.
The concepts of data models that are only useful to computer specialists rather than end users of programs are classified as

a.

triggered data models

b.

logical data models

c.

conceptual data models

d.

physical data models

Discuss
Answer: (d).physical data models
Q123.
The hierarchical models and network models are considered as types of

a.

logical structural models

b.

attributed structural models

c.

legacy data models

d.

entity recording model

Discuss
Answer: (c).legacy data models
Q124.
The process of converting the requests into results between three-schema architecture internal, external and conceptual levels is called

a.

mapping

b.

pitching

c.

transforming

d.

dependence

Discuss
Answer: (a).mapping
Q125.
The type of legacy data model in which related records are represented by each hierarchy in the tree structure is classified as

a.

network relational models

b.

legacy network model

c.

hierarchy models

d.

network model

Discuss
Answer: (c).hierarchy models
Q126.
The type of data model which provide concepts in a way users of data recognize data models is considered as

a.

dynamic data models

b.

medium level data models

c.

low level data models

d.

high level data models

Discuss
Answer: (d).high level data models
Q127.
For a three-schema architecture, there is strict partition between external, internal and conceptual level and the language used in this structure is

a.

view definition language

b.

logic map language

c.

concept mapping language

d.

storage mapping language

Discuss
Answer: (a).view definition language
Q128.
The levels in which the three schema architecture can be defined includes

a.

internal schema

b.

conceptual schema

c.

external schema

d.

all of above

Discuss
Answer: (d).all of above
Q129.
The type of data independence in which the schema can be altered on conceptual level without altering external level is classified as

a.

conceptual level independence

b.

external level independence

c.

logical data independence

d.

physical data independence

Discuss
Answer: (c).logical data independence
Q130.
The middle computer system which is accessed to access database server is classified as

a.

host server

b.

application server

c.

database server

d.

client server

Discuss
Answer: (b).application server
Page 13 of 19

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