Distributed Databases
Which of the following is not one of the stages in the evolution of distributed DBMS?

Distributed request
Remote unit of work
Distributed unit of Work
Unit of work

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Distributed Databases
A distributed database is which of the following?

A single logical database that is limited to one location.
A loose collection of file that is spread to multiple locations and is interconnected by a network
A loose collection of file that is limited to one location.
A single logical database that is spread to multiple locations and is interconnected by a network

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Distributed Databases
Replication should be used when which of the following exist?

The application's data can be somewhat out-of-date.
When using many nodes with different operating systems and DBMSs and database designs.
When transmission speeds and capacity in a network prohibit frequent refreshing of large tables.
All of these

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