Information Management Summative Test (MIDTERM)
Authored by Jet Francis Podaca
Information Technology (IT)
University
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40 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is a data model?
A set of rules for constructing a database
The visual plan for building a database
A graphical system used to represent data relationships
All of the above
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which of the following is NOT a component of a data model?
Structural part
Manipulative part
Integrity rules
Set of Operations
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the process of hiding irrelevant internal details from users in a database system called?
Data modeling
Data manipulation
Data abstraction
Normalization
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What are the three major components of the Relational Model?
Entities, Attributes, Relationships
Classes, Objects, Methods
Relations, Attributes, Domains
Tables, Rows, Columns
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the highest level of data abstraction, which shows only a part of the actual database to users?
Physical Level
Logical Level
View Level
Internal Schema
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is an "entity" in the context of data modeling?
A set of characteristics representing an object
The association between two objects
A real-time object about which data is collected and stored
A restriction placed on data
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Which symbol is used to represent a relationship between two entities?
Rectangle
Ellipse
Diamond
Line
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