What Is a Distributed Database?
To better understand this question and its answer, it is necessary first to clearly define the problem space. There are several business and technical problems that distributed database technologies attempt to solve.
Data Resiliency
Data resiliency is perhaps the most common reason for deploying such a technology. The goal is not to change the way the architecture works or performs but to ensure that if primary architecture is lost (due to a natural disaster or a terrorist attack), a complete, consistent, and current copy of the data is located elsewhere in the world. The technique can also be applied on a local level to maintain a copy of production data on a second server local to the production architecture ...
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