Distributed databases is defined as databases located at different machines at the same or different locations that looks like one centralized database to the end user. What is the use of such distributed databases? Explain in detail.
There are following advantages of distributed databases :
Reflects organizational structure
Many organizations are naturally distributed over several locations. For example, a bank has many offices in different cities. It is natural for databases used in such an application to be distributed over these locations. A bank may keep a database at each branch office containing details such things as the staff that work at that location, the account information of customers etc.
The staff at a branch office will make local inquiries of the database. The company headquarters may wish to make global inquiries involving the access of data at all or a number of branches.
Improved share ability and local autonomy
The geographical distribution of an organization can be reflected in the distribution of the data; users at one site can access data stored at other sites. Data can be placed at the site close to the users who normally use that data. In this way,
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