Distributed Databases
Storing a separate copy of the database at multiple locations is which of the following?

Horizontal and Vertical Partitioning
Vertical Partitioning
Horizontal Partitioning
Data Replication

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

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The application's data can be somewhat out-of-date.

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