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Q.

Which of the following is not characteristic of a relational database model?

A

tables

B

treelike structure

C

complex logical relationships

D

records

E

None of the above

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MCQ

1.

A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?

A

Specialized file

B

Log file

C

Master file

D

Update file

E

None of the above

Discussion

MCQ

2.

In SQL, which command(s) is(are) used to create a synonym for a schema object?

A

CREATE SCHEMA

B

CREATE SYNONYM

C

CREATE SAME

D

All of the above

E

None of the above

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MCQ

3.

In SQL, the ALTER TABLESPACE command is used

A

to add/rename data files

B

to change storage characteristics

C

to take a tablespace online/offline

D

to begin/end a backup

E

All of the above

Discussion

MCQ

4.

In a database, data is stored in spreadsheets which have rows and columns.

A

True

B

False

Discussion

MCQ

5.

The way a particular application views the data from the data base that the application uses is a :

A

module

B

relational model

C

schema

D

subschema

E

None of the above

Discussion

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