physical data independence

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.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.