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Q.

Which of the following symbol is used in the place of except?

A

^

B

V

D

~

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MCQ

1.

In a relational model, relations are termed as

A

Tuples

B

Attributes

C

Tables

D

Rows

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2.

Student(ID, name, dept name, tot_cred) In this query which attributes form the primary key?

A

Name

B

Dept

C

Tot_cred

D

ID

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3.

A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referencing relation also appear in specified attributes of at least one tuple in the referenced relation.

A

Referential

B

Referencing

C

Specific

D

Primary

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4.

Which of the following operation is used if we are interested in only certain columns of a table?

A

PROJECTION

B

SELECTION

C

UNION

D

JOIN

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5.

Which of the following is not outer join?

A

Left outer join

B

Right outer join

C

Full outer join

D

All of the mentioned

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