Question: Replication: a. Give two reasons for replicating data across geographically distributed data centers. b. Centralized databases support replication using log records. How is the replication

Replication:

a. Give two reasons for replicating data across geographically distributed data centers.

b. Centralized databases support replication using log records. How is the replication in centralized databases different from that in parallel/distributed databases?

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