DBMS MCQ : Data Models (Multiple Choice Questions)


Question 1
Data Model is collection of conceptual tools for describing -
A
Data
B
All of these
C
Consistency Constaints
D
Data Schema
Question 2
Data Models in DBMS are classified into ______ categories.
A
4
B
5
C
3
D
2
Question 2 Explanation: 
Data Models are classified into : -
  1. Object Based Logical Data Model
  2. Record Based Logical Data Model
  3. Physical Data Model
Question 3
Object based logical model(s) are used to describe data at - [Select Appropriate Option(s)]
A
Physical Level
B
View Level
C
Logical Level
D
None of these
Question 4
Which of the following is example of Object based logical model ?
A
Network Model
B
Relational Model
C
Entity Relationship Model
D
Hierarchical Model
Question 5
Entity Relationship model consists of collection of basic objects called _________ and relationship among these objects.
A
None of these
B
models
C
entities
D
functions
There are 5 questions to complete.