Database - Distributed Databases
Exercise : Distributed Databases - True or False
- Distributed Databases - General Questions
- Distributed Databases - True or False
11.
Data replication is favored where most process requests are read-only and where the data are relatively static.
12.
The cost to perform a snapshot refresh may depend on whether the snapshot is simple or complex.
13.
The semijoin approach saves network traffic.
14.
In a semijoin, only the joining attribute is sent from one site to another, and then only the required rows are returned.
15.
The problem of concurrency control is more complex in a distributed database.
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