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Q.

Count function in SQL returns the number of

A

values

B

distinct values

C

groups

D

columns

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MCQ

1.

. The database schema is written in

A

HLL

B

DML

C

DDL

D

DCL

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2.

DML is provided for

A

Description of logical structure of database.

B

Addition of new structures in the database system.

C

Manipulation & processing of database.

D

Definition of physical structure of database system.

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3.

A

Selection operation.

B

Rename operation.

C

Join operation.

D

Projection operation.

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4.

Count function in SQL returns the number of

A

values

B

distinct values

C

groups

D

columns

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5.

The language which has recently become the defacto standard for interfacing application programs with relational database system is

A

Oracle

B

SQL

C

DBase

D

4GL

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