Location efficiency enables a user to access data without knowing exactly where the data are located.
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Q44: Replication is often used for noncollaborative data.
Q45: In a heterogeneous environment, not all users
Q46: Replication should NOT be used if timely
Q47: Applications that can tolerate out-of-date data are
Q48: One way to generate messages for near-real-time
Q50: Local autonomy means that data are not
Q51: A distributed database is a single logical
Q52: An environment in which data are distributed
Q53: Users of distributed database systems always need
Q54: Horizontal partitioning offers increased efficiency because data
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