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DISTRIBUTED DATABASES

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As its name suggests, a distributed database is a collection of data that is located in several different physical locationsùthat is, distributed over several resourcesùwhile operating as a single logical database. This provides system managers the ability to distribute the database over multiple systems depending on system resources, and to use either local or wide area networks to access the data. When this type of database configuration is used, there are obviously many different factors that need to be taken into account. It is critical, for example, that users be unaware of the data distribution, so there should be no degradation in speed. Similarly, having data on multiple machines may increase the vulnerability of the database to security breaches. This research considers these and other issues associated with distributed databases.

One of the primary benefits of a distributed database system is the heterogeneity that is supported by this approach. Since data reside on differe

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Approximate Word count = 703
Approximate Pages = 3 (250 words per page)

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