Database Management Systems (3130703) MCQs

MCQs of Database System Architecture

Showing 31 to 40 out of 54 Questions
31.

Which of the following is/are disadvantages of Database Management System?

(A) Cost of Hardware and Software 

(B) Reduce data redundancy

(C) Remove data inconsistency 

(a)

A

(b)

B

(c)

C

(d)

B and C

Answer:

Option (a)

32.

Either all of its operations are executed or none is called _________

(a)

Consistency

(b)

Isolation

(c)

Atomicity

(d)

Durablity

Answer:

Option (c)

33.

When data is processed, organized, structured or presented in a given context so as to make it useful, it is called ____________

(a)

Superdata

(b)

Cleandata

(c)

Information

(d)

Database

Answer:

Option (c)

34.

_____________ is an information repository which contains metadata.

(a)

Data warehouse

(b)

Data dictionary

(c)

Database

(d)

System

Answer:

Option (b)

35.

____________is an information repository which stores data.

(a)

Data warehouse 

(b)

Data dictionary

(c)

Hard disk

(d)

Server

Answer:

Option (a)

36.

Lowest level of 3 level ANSI SPARC architecture is ________

(a)

Internal Level

(b)

Conceptual Level

(c)

View Level

(d)

External Level

Answer:

Option (a)

37.

___________ level deals with physical storage of data.

(a)

Internal

(b)

External

(c)

View

(d)

Conceptual

Answer:

Option (a)

38.

Conceptual level is also know as ____________

(a)

Physical Level

(b)

View level

(c)

Intenal level

(d)

Logical level

Answer:

Option (d)

39.

External level is also known as ___________

(a)

Physical level

(b)

Internal level

(c)

View level

(d)

Conceptual level

Answer:

Option (c)

40.

The process of hiding irrelevant details from user is called ____________

(a)

Data abstraction

(b)

Mapping

(c)

Data clapping

(d)

Data binding

Answer:

Option (a)

Showing 31 to 40 out of 54 Questions