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Q.

Relational Algebra is

A

Data Definition Language .

B

Meta Language

C

Procedural query Language

D

None of the above

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Similar Questions

MCQ

1.

Which of the following is the comparison operator in tuple relational calculus

A

?

B

=

C

?

D

All of the mentioned

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2.

The most commonly used operation in relational algebra for projecting a set of tuple from a relation is

A

Join

B

Projection

C

Select

D

Union

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3.

A

? t ? r (Q(t))

B

? t ? r (Q(t))

D

~ t ? r (Q(t))

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4.

Which is a join condition contains an equality operator:

A

Equijoins

B

Cartesian

C

Natural

D

Left

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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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