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Q.

Which of the following is not a logical data-base structure?

A

tree

B

relational

C

network

D

chain

E

All of the above

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MCQ

1.

Batch processing is appropriate if

A

a large computer system is available

B

only a small computer system is available

C

only a few transactions are involved

D

All of the above

E

None of the above

Discussion

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2.

A race condition occurs when

A

Two concurrent activities interact to cause a processing error

B

two users of the DBMS are interacting with different files at the same time

C

both (a) and (b)

D

All of the above

E

None of the above

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3.

Because it contains a description of its own structure, a database is considered to be ________ .

A

described

B

metadata compatible

C

self-describing

D

an application program

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4.

When using a database management system, the first thing that you must do is to

A

create a database file

B

activate file editor

C

load the software into your micro

D

keep a floppy disk in readiness

E

None of the above

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5.

Internal auditors should review data system design before they are

A

developed

B

implemented

C

modified

D

All of the above

E

None of the above

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