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3 level of data abstraction

by Guest6628  |  12 years, 9 month(s) ago

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3 level of data abstraction

 Tags: abstraction, data, level

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  1. paafamily
    three levels of data abstraction are:

    1. Physical level : how the data is stored physically and where it is stored in

    database.

    2. Logical level : what information or data is stored in the database (like what is the

    datatype or what is format of data.

    3.View level : end users work on view level. if any amendment is made it can be

    saved by other name.

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