What is a method of database distribution in which one database contains data that are included in another database?
Correct answer: C. Replication
- A. Splitting
- B. Partitioning
- C. Replication
- D. Dividing
Explanation
Replication is a method of database distribution where a complete copy or a subset of data from one database is maintained in another database. This can be useful for a number of reasons, such as:Improving performance: By replicating data to a geographically distributed location, users can access the data from a closer server, which can improve performance.Increasing availability: If one database server fails, users can still access the data from another replica.Load balancing: Replication can be used to distribute the load of reading and writing data across multiple servers.
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