physical data independence

[′fiz·ə·kəl ¦dad·ə ‚in·di′pen·dəns]

(computer science)

A file structure such that the physical structure of the data can be modified without changing the logical structure of the file.

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Hiding implementation details from users and the outside world by means of logical and physical data independence makes it much harder to discover and exploit potential vulnerabilities.

A Database Perspective on Data Security

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