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Q.

Here the tuples are selected from the view.Which one denotes the view.

A

Course_id

B

Watson

C

Building

D

physics_fall_2009

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MCQ

1.

A __________ is a special kind of a store procedure that executes in response to certain action on the table like insertion, deletion or updation of data.

A

Procedures

B

Triggers

C

Functions

D

None of the mentioned

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2.

A Delete command operates on ______ relation.

A

One

B

Two

C

Several

D

Null

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3.

Inorder to give only 10 rank on the whole we should use

A

Limit 10

B

Upto 10

C

Only 10

D

Max 10

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4.

Why does this statement cause an error when QUANTITY values are null?

A

The expression attempts to divide by a null value

B

The data types in the conversion function are incompatible

C

The character string none should be enclosed in single quotes

D

A null value used in an expression cannot be converted to an actual value

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5.

a)

A

.txt

B

.pls

C

.ora

D

.sql

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