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Distributed Databases

Distributed Databases
With failure transparency, all of the actions of a transaction are committed or none of them are committed.

False
True

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

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

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Distributed Databases
Synchronization for pull replication is less disruptive and occurs only when needed by each site, not when a central master site thinks it is best to update.

False
True

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Distributed Databases
Each site (or node) in a distributed system is subject to the same types of failure as in a centralized system.

True
False

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Distributed Databases
A distributed unit of work allows various statements within a unit of work to refer to multiple remote DBMS locations.

False
True

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Distributed Databases
Data replication is favored where most process requests are read-only and where the data are relatively static.

True
False

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