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MCQ

Q.

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

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MCQ

1.

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

Discussion

MCQ

2.

A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa.

A

One-to-one relationship

B

One-to-many relationship

C

Many-to-one relationship

D

Many-to-many relationship

E

None of the above

Discussion

MCQ

3.

In SQL, which command(s) is(are) used to enable/disable a database trigger?

A

MODIFY USER

B

CHANGE USER

C

ALTER TRIGGER

D

All of the above

E

None of the above

Discussion

MCQ

4.

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

Discussion

MCQ

5.

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

Discussion

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