Database Systems Questions

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101.

The distinguishable parts of a record are called

A

files

B

data

C

fields

D

database

E

None of the above

Correct Answer: C

None.

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102.

Large collections of files are called

A

fields

B

records

C

databases

D

file system

E

None of the above

Correct Answer: C

None.

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103.

The index consists of

A

a list of keys

B

pointers to the master list

C

both (a) and (b)

D

All of the above

E

None of the above

Correct Answer: C

None.

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104.

In SQL, which command is used to select data in rows and column from one or more tables?

A

CHOOSE

B

SELECT

C

LIST

D

BROWSE

E

None of the above

Correct Answer: B

None.

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105.

A scheme describes

A

data elements

B

records and files

C

record relationships

D

All of the above

E

None of the above

Correct Answer: D

None.

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106.

A report form

A

appears on the computer monitor during data entry

B

is used during report generation to format data

C

both (a) and (b)

D

All of the above

E

None of the above

Correct Answer: B

None.

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107.

A computer file can be best described as

A

a single data item

B

a general collection of data items

C

an orderly collection of data items

D

a random collection of data items

E

None of the above

Correct Answer: C

None.

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108.

A good query system

A

can accept English language commands

B

allows non-programmers to access information stored in a database

C

can be accessed only by data processing professionals

D

both (a) and (b)

E

None of the above

Correct Answer: B

None.

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109.

If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it.

A

Delete

B

Update

C

Sort Key

D

Index

E

None of the above

Correct Answer: D

None.

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110.

The modify operation is likely to be done after

A

Delete

B

Look-up

C

Insert

D

All of the above

E

None of the above

Correct Answer: B

None.

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