DBAS6211_LU1_Exercise_1

DBAS6211_LU1_Exercise_1

University

8 Qs

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DBAS6211_LU1_Exercise_1

DBAS6211_LU1_Exercise_1

Assessment

Quiz

Computers

University

Practice Problem

Hard

Created by

Gift Maputle

Used 1+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

What does the physical level of data abstraction in a database management system (DBMS) primarily deal with?

Logical representation of data

Conceptual organization of data

Physical storage structure of data

Security measures for data access

2.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

Which level of data abstraction provides a view of the database that hides details of the physical storage structures and focuses on how data is logically organized?

Physical Database Model

External View Model

Conceptual Data Model

Logical Database Model

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is not a component of a DBMS?

Statements

Hardware

People

Data

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which level of data abstraction describes the overall logical structure of the entire database?

Application level

Physical level

Conceptual level

External level

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

At which level of data abstraction do users interact with the database by writing queries and generating reports?

External level

Conceptual level

Logical level

Physical level

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which level of data abstraction focuses on the relationships between data entities and the constraints on data operations?

Conceptual level

Logical level

External level

Application level

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which level of data abstraction deals with the way data is stored in terms of bytes, blocks, and pages?

Logical level

External level

Conceptual level

Physical level

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