Guest12743987
Guest12743987
Asked: 1 week, 6 day(s) ago
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3 level of data abstraction

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Leonardo
Leonardo
1 week, 6 day(s) ago

three levels of data abstraction are:




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



database.




  1. 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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3 level of data abstraction

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