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Q.

Embedded pointer provide

A

a secondary access path

B

a physical record key

C

an inverted index

D

All of the above

E

None of the above

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MCQ

1.

A scheme describes

A

data elements

B

records and files

C

record relationships

D

All of the above

E

None of the above

Discussion

MCQ

2.

A database is called "self-describing" because it contains a description of itself.

A

True

B

False

Discussion

MCQ

3.

Which command is used to remove a table from the database in SQL?

A

DELETE TABLE

B

DROP TABLE

C

ERASE TABLE

D

UNATTACH TABLE

E

None of the above

Discussion

MCQ

4.

An audit trail

A

is used to make back-up copies

B

is the recorded history of operations performed on a file

C

can be used to restore lost information

D

All of the above

E

None of the above

Discussion

MCQ

5.

The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types.

A

Database

B

Table

C

Flat file

D

Data structure

E

None of the above

Discussion

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