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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 16 of 19

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Q151.
The local concurrency control, storage of data on disk pages and the buffering of disk pages are considered as tasks of

a.

client level

b.

server level

c.

open programming level

d.

database connectivity level

Discuss
Answer: (b).server level
Q152.
The features which allows users to update the database and specifying retrievals are part of

a.

basic set of operations

b.

basic set of design

c.

basic set of modules

d.

basic set of instructions

Discuss
Answer: (a).basic set of operations
Q153.
In the network model, the one to many relationship is denoted by

a.

1:N

b.

1:M

c.

2:M

d.

3:M

Discuss
Answer: (a).1:N
Q154.
The data model which uses the concepts such as attributes, relationships and entities is classified as

a.

conceptual data model

b.

representative data models

c.

graphical data models

d.

occasional data models

Discuss
Answer: (a).conceptual data model
Q155.
In categories of data modeling, the high level data models are also called

a.

triggered data models

b.

logical data models

c.

conceptual data models

d.

physical data models

Discuss
Answer: (c).conceptual data models
Q156.
In database management system, the current set of instance or database snapshot is also called

a.

mathematical operators of schema

b.

logical operators of schema

c.

extension of schema

d.

intension of schema

Discuss
Answer: (c).extension of schema
Q157.
In Three-Schema Architecture, the schema in which the part of database is described to the user group who is interested and other details are kept hide is called

a.

logical schema

b.

conceptual schema

c.

internal schema

d.

external schema

Discuss
Answer: (d).external schema
Q158.
If the high level data manipulation language is used in standalone interface manner then this language is considered as

a.

host language

b.

sublanguage

c.

query language

d.

scheming language

Discuss
Answer: (c).query language
Q159.
In data modeling, the data constraints, data relationships and data types for the stored data are classified as

a.

logical design of database

b.

structure of database

c.

server module of database

d.

client module of database

Discuss
Answer: (b).structure of database
Q160.
The type of relational database which incorporate the concepts of object database is classified as

a.

functional object system

b.

behavioral relational system

c.

extended relational system

d.

extended objects system

Discuss
Answer: (c).extended relational system
Page 16 of 19

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