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    Question :

    Back to SQL Oracle page Question : Explain What is the purpose of a cluster?

    Category SQL In Oracle Interview Questions
    Rating (0.3) By 9 users
    Added on 7/11/2011
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    Oracle does not allow a user to specifically locate tables, since that is a part of the function of the RDBMS. However, for the purpose of increasing performance, oracle allows a developer to create a CLUSTER. A CLUSTER provides a means for storing data from different tables together for faster retrieval than if the table placement were left to the RDBMS.

    it's a temporary and logical memory allocation where we can put several tables.

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