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  1. Modification schema of oracle database in one level without affecting the schema in high level is called as _______
    2. A.
    Data Migration
    B.
    Data Isolation
    C.
    Data Independence
    D.
    Data Abstraction

    View Answer

    Workspace

    View Answer

    Answer : Option C

    Explanation :

    Data Independence means changing internal level does not affect conceptual level.

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