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Q.

In SQL, which command is used to create a database user?

A

ADD USER TO DATABASE

B

MK USER

C

CREATE USER

D

All of the above

E

None of the above

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MCQ

1.

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

Discussion

MCQ

2.

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

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MCQ

3.

In SQL, which of the following is not a data Manipulation Language Commands?

A

DELETE

B

SELECT

C

UPDATE

D

CREATE

E

None of the above

Discussion

MCQ

4.

In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.

A

Network database

B

Relational database

C

Distributed database

D

Hierarchical database

E

None of the above

Discussion

MCQ

5.

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

Discussion

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