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Data Abstraction
by
mi1an
-
Short Note: Data Abstraction
Data
abstraction:
It can be
define as follows.
1. When the
DBMS hides certain details of how data is stored and maintained, it provides
What is
called as the abstract view of data?
2. This is
to simplify user-interaction with the system.
3.
Complexity (of data and data structure) is hidden from users through several
levels of
Abstraction.
Data
abstraction is used for following purposes:
1. To
provide abstract view of data.
2. To hide
complicate data from user.
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