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Q.

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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1.

Count function in SQL returns the number of

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values

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distinct values

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groups

D

columns

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2.

It is possible to define a schema completely using

A

VDL and DDL.

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DDL and DML.

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D

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3.

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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. The database schema is written in

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HLL

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DML

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DDL

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Selection operation.

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Rename operation.

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Join operation.

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Projection operation.

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