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Q.

A number of related records that are treated as a unit is called

A

file

B

field

C

data

D

batch

E

None of the above

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MCQ

1.

The method in which records are physically stored in a specified order according to a key field in each record is

A

hash

B

direct

C

sequential

D

all of the above.

Discussion

MCQ

2.

A command that lets you change one or more fields in a record is

A

Insert

B

Modify

C

Look-up

D

All of the above

E

None of the above

Discussion

MCQ

3.

In SQL, the CREATE VIEW command is used

A

to recompile view

B

to define a view of one or more tables or views

C

to recompile a table

D

to create a trigger

E

None of the above

Discussion

MCQ

4.

Data encryption techniques are particularly useful for

A

reducing storage space requirements

B

improving data integrity

C

protecting data in data communication systems

D

All of the above

E

None of the above

Discussion

MCQ

5.

A network schema

A

restricts the structure to a one-to-many relationship

B

permits many-to-many relation

C

stores data in tables

D

All of the above

E

None of the above

Discussion

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