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Q.

. A subschema expresses

A

the logical view.

B

the physical view.

C

the external view.

D

all of the above.

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Each of data files has a _____ that describe the way the data is stored in the file.

A

File structure

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Records

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Fields

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None of the above

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DBMS Stand for

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Data base marginal system

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Directory Based Memory Standard

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Data Base Management System

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Dual Bus Mask Storage

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The database administration function includes

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application programming

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computer operations management

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database access planning

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upgrading

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restructuring

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renewing

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A _____ Contains fields of data about one entity.

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Record

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None of the above

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