Database Systems Questions

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91.

In any hierarchy of data organization, the smallest entity to be processed as a single unit is called

A

data field

B

data record

C

data file

D

database

E

None of the above

Correct Answer: A

None.

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92.

Long-range planning report produced in an MIS are primarily designed for

A

top management

B

middle management

C

lower management

D

All of the above

E

None of the above

Correct Answer: A

None.

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93.

The model for a record management system might be

A

handwritten list

B

a Rolodex card file

C

a business form

D

All of the above

E

None of the above

Correct Answer: D

None.

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94.

The designer of a form includes

A

filed designators

B

prompts

C

data

D

both (a) and (b)

E

None of the above

Correct Answer: D

None.

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95.

Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time?

A

report writer

B

query language

C

data manipulation language

D

transaction log

E

None of the above

Correct Answer: D

None.

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96.

Two files may be joined into a third file if

A

they have a row in common

B

they have a field in common

C

they have no records with the same value in the common field

D

both (b) and (c)

E

None of the above

Correct Answer: B

None.

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97.

Characteristic(s) of a distributed MIS structure is

A

interactive sharing of the workload

B

a multiprocessing environment

C

computers supporting local DP operations

D

All of the above

E

None of the above

Correct Answer: D

None.

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98.

The data-base environment has all of the following components except:

A

users

B

separate files

C

data base

D

data-base administrator

E

None of the above

Correct Answer: B

None.

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99.

The way a particular application views the data from the data base that the application uses is a :

A

module

B

relational model

C

schema

D

subschema

E

None of the above

Correct Answer: D

None.

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100.

A compound key

A

is made up a several pieces of information

B

uniquely identifies an item in a list

C

both (a) and (b)

D

is a combination of each unique key

E

None of the above

Correct Answer: C

None.

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