Which of the following options is not true?

External view: highest level of abstraction as seen by a user

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Conceptual view: sum total of Data Base Management System user's views

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Internal level: middle level of abstraction

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Internal level: how the data is physically stored

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None of these

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Solution

The correct option is C Internal level: middle level of abstraction
'Internal level: middle level of abstraction' is incorrect.

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Distinguish between top level, middle level and lower level of management.

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