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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 18 of 19

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Q171.
The type of data independence in which the internal schema can be modified without modifying the conceptual schema is classified as

a.

logical data independence

b.

physical data independence

c.

conceptual level independence

d.

external level independence

Discuss
Answer: (b).physical data independence
Q172.
The types of architectures of DBMS are

a.

single-tier architecture

b.

two-tier architecture

c.

three-tier architecture

d.

both b and c

Discuss
Answer: (d).both b and c
Q173.
The graphical representation of database description is called

a.

dynamic schema diagram

b.

schema diagram

c.

structure diagram

d.

entity path diagram

Discuss
Answer: (b).schema diagram
Q174.
The program interface which provides the feature to client side programs to call the database management system is classified as

a.

open programming interface

b.

closed programming interface

c.

application programming interface

d.

data programming language

Discuss
Answer: (c).application programming interface
Q175.
In hierarchical structures, the can be nested to create

a.

simple data structures

b.

complex data structures

c.

functional data structures

d.

network logical structures

Discuss
Answer: (a).simple data structures
Q176.
In DBMS, the description of database in the form of schema is also called

a.

extension of schema

b.

intension of schema

c.

mathematical operators of schema

d.

logical operators of schema

Discuss
Answer: (b).intension of schema
Q177.
In the two-tier architecture, the server is considered as

a.

host server

b.

client server

c.

transaction server

d.

module server

Discuss
Answer: (c).transaction server
Q178.
The type data abstraction which allows the conceptual representation of data in database management system is considered as

a.

logical design model

b.

data model

c.

interface model

d.

user friendly model

Discuss
Answer: (b).data model
Q179.
The characteristic of database management system which allows the program operation independence and program data independence is classified as

a.

conceptual abstraction

b.

implementation abstraction

c.

data abstraction

d.

interface abstraction

Discuss
Answer: (c).data abstraction
Q180.
The database catalog or dictionary defining the descriptive information which is stored in database is called

a.

constrained data

b.

metadata

c.

basic data

d.

filtered data

Discuss
Answer: (b).metadata
Page 18 of 19

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