CODD'S RULE 11

CODD'S RULE 11 - as a single coherent system. Distributed...

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CODD’S RULE 11 CODD’S RULE 11 PRESENTED BY NIRANJAN ABINASH ANURAG SAYANTAN RUTURAJ NITIN
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DISTRIBUTION DISTRIBUTION INDEPENDENCE INDEPENDENCE Distribution independence - the database language must be able to manipulate distributed data located on other computer system. A user should be totally unaware of whether the database is distributed or not.
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What is distributed data Data spread over more than one system and across several networks A distributed database system is a collection of independent computers that appears to its users
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Unformatted text preview: as a single coherent system. Distributed Database System CONTD Each computer in a network is a node that can host one or more databases. Each node in a distributed database system can act as a client, a server, or both, depending on the situation. Distribution Transparency This allows a distributed database to be treated as a single logical database The user does not need to know That the data are partitioned That they can be replicated at several sites The data location THANK YOU...
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CODD'S RULE 11 - as a single coherent system. Distributed...

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