DBMS Quiz
Authored by Phương Nguyễn
Computers
12th Grade
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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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