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Distributed Databases
Location transparency allows for which of the following?
Users to treat the data as if it is at one location
Programmers to treat the data as if it is at one location
Managers to treat the data as if it is at one location
All of the above.
Correct Answer:
All of the above.
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Distributed Databases
A distributed database has which of the following advantages over a centralized database?
Which of the following is true concerning a global transaction?
A semijoin is which of the following?
A heterogeneous distributed database is which of the following?
Storing a separate copy of the database at multiple locations is which of the following?
Which of the following is not one of the stages in the evolution of distributed DBMS?
A distributed database can use which of the following strategies?
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.
Databases that are stored on computers at multiple locations and are not interconnected by a network are known as distributed databases.
A distributed unit of work allows various statements within a unit of work to refer to multiple remote DBMS locations.
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