DISTRIBUTED DATABASES QUIZ

Some of the columns of a relation are at different sites is which of the following?

Horizontal and Vertical Partitioning

Horizontal Partitioning

Vertical Partitioning

Data Replication

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Distributed request

Remote unit of work

Unit of work

Distributed unit of Work

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False

True

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True

False

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False

True

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The required data are at one local site and the distributed DBMS passes the request to only the local DBMS.

The required data are located in at least one nonlocal site and the distributed DBMS routes requests as necessary.

The required data are at one local site and the distributed DBMS routes requests as necessary.

The required data are located in at least one nonlocal site and the distributed DBMS passes the request to only the local DBMS.

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A single logical database that is spread to multiple locations and is interconnected by a network

A single logical database that is limited to one location.

A loose collection of file that is limited to one location.

A loose collection of file that is spread to multiple locations and is interconnected by a network

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True

False

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False

True

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False

True

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