Information Management Summative Test (MIDTERM)

Information Management Summative Test (MIDTERM)

University

•

40 Qs

quiz-placeholder

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Information Management Summative Test (MIDTERM)

Information Management Summative Test (MIDTERM)

Assessment

Quiz

•

Information Technology (IT)

•

University

•

Practice Problem

•

Hard

Created by

Jet Francis Podaca

Used 1+ times

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40 questions

Show all answers

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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