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DBMS Quiz

Authored by Phương Nguyễn

Computers

12th Grade

DBMS Quiz
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9 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the ANSI three-level model, what are the three levels of a database?

Internal, External, Conceptual

Visible, Hidden, Accessible

Primary, Secondary, Tertiary

Physical, Logical, External

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who has access to the DBMS at the conceptual level in the ANSI architecture?

Programmers

Database Administrator (DBA)

Users

Developers

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the external schema in the ANSI three-level architecture?

To provide individual user and programmer views

To describe the organization of data as perceived by a user or programmer

To provide a universal view of the database

To control the physical storage of data

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an important aspect of the provision of views in a DBMS?

To create a report to present formatted output

To ensure security and control access rights

To provide a universal view of the database

To control the physical storage of data

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of a query processor in a DBMS?

To create and process queries for extracting and manipulating data

To develop a user interface

To provide software tools through a developer interface

To control access rights and security

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the responsibility of the DBA in a DBMS?

To develop a user interface

To define the appropriate access rights and set up user and programmer views

To provide software tools through a developer interface

To create and process queries for extracting and manipulating data

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of creating an index for a table in a DBMS?

To ensure the integrity of the data

To improve performance of the database

To contain metadata about the data and details of the definitions of tables and attributes

To provide a universal view of the database

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