Database - Distributed Databases

Exercise : Distributed Databases - True or False
11.
Data replication is favored where most process requests are read-only and where the data are relatively static.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

12.
The cost to perform a snapshot refresh may depend on whether the snapshot is simple or complex.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

13.
The semijoin approach saves network traffic.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

14.
In a semijoin, only the joining attribute is sent from one site to another, and then only the required rows are returned.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.

15.
The problem of concurrency control is more complex in a distributed database.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.