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Q.

A data dictionary is a special file that contains

A

the names of all fields in all files

B

the data types of all fields in all files

C

the widths of all fields in all files

D

All of the above

E

None of the above

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MCQ

1.

An on-line commercial site such as Amazon.com is an example of a(n) ________ .

A

single-user database application

B

multiuser database application

C

e-commerce database application

D

data mining database application

Discussion

MCQ

2.

A database management system

A

allows simultaneous access to multiple files

B

can do more than a record management system

C

is a collection of programs for managing data in a single file

D

both (a) and (b)

E

None of the above

Discussion

MCQ

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

Discussion

MCQ

4.

The highest level in the hierarchy of data organization is called

A

data bank

B

database

C

data file

D

data record

E

None of the above

Discussion

MCQ

5.

Related fields in a database are grouped to form a

A

data file.

B

data record.

C

menu

D

bank

Discussion

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