Database Management Systems (3130703) MCQs

MCQs of Database System Architecture

Showing 21 to 30 out of 54 Questions
21.

Arrange the following levels of Data abstraction from lowest level to highest level (Logical, View, Physical)

(a)

Physical, Logical, View

(b)

View, Logical, Physical

(c)

View, Physical, Logical

(d)

Physical, View, Logical

Answer:

Option (a)

22.

Which level of abstraction describe How data are actuly stored?

(a)

Physical

(b)

Logical

(c)

External

(d)

View

Answer:

Option (a)

23.

Which level of abstraction describe What data are actuly stored?

(a)

Physical

(b)

Logical

(c)

External

(d)

View

Answer:

Option (b)

24.

How many different types of Database users?

(a)

Two

(b)

Four

(c)

Three

(d)

One

Answer:

Option (b)

25.

Which users is unsophisticated users?

(a)

Naive

(b)

Sophisticated

(c)

Application Programming

(d)

Specialized

Answer:

Option (a)

26.

Which user can intract with system without writing Application Programming?

(a)

Naive User

(b)

Sophisticated User

(c)

Application Programer

(d)

Specialized User

Answer:

Option (b)

27.

Which of the following is/are task of DBA?

(a)

Schema Defination

(b)

Granting of authorization for data access

(c)

Schema of Physical Organization Modification

(d)

All

Answer:

Option (d)

28.

Which of the following is not a Storage Manager Component?

(a)

Transaction Manager

(b)

Logical Manager

(c)

Buffer Manager

(d)

File Manager

Answer:

Option (b)

29.

Which of the following schemas does define a view or views of the database for particular users?

(a)

External schema

(b)

Physical schema

(c)

Conceptual schema

(d)

Internal schema

Answer:

Option (a)

30.

Which of the following terms does refer to the correctness and completeness of the data in a database?

(a)

Data model

(b)

Data independence

(c)

Data integrity

(d)

Data security

Answer:

Option (c)

Showing 21 to 30 out of 54 Questions