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anonymous

  • one year ago

What are the three levels of DBMS Architecture..?? Plz help me in detail..

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  1. anonymous
    • one year ago
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    External level Conceptual level Internal level

  2. anonymous
    • one year ago
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    Can u plz explain them in detail..!!

  3. anonymous
    • one year ago
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    Internal level describe how data is internally store in memory. External level is a abstract representation of data and based on views.e.g in a company employees ,manager have different views of database according to access authorities that they have. Conceptual level is a logical representation of database,what is stored and relationship among them . Conceptual level is used by DBA to control entire database.

  4. anonymous
    • one year ago
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    Thanks alott :)

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