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Is this complulsory requirement that data in distributed database be located on different machines?

Posted on 2011-03-23
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Is this complulsory requirement that data in distributed database be located on different machines?
What's the main distinctive feature distributd database from local database?
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Question by:antatiana
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by:pcelba
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Both advantages and disadvantages of distributed databases are described here: http://en.wikipedia.org/wiki/Distributed_database

More details are here: http://stanford.edu/dept/itss/docs/oracle/10g/server.101/b10739/ds_concepts.htm

You should also check CDN (http://en.wikipedia.org/wiki/Content_delivery_network) which is probably the next step after distributed databases.

And the biggest advantage of local database is data availability and speed.
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And I forgot to answer the question... No, it is not compulsory to have data on different machines BUT it is obvious.
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