Data model, data abstraction in dbms

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Cse Girl

Cse Girl

Күн бұрын

Data model, Schema, instance, data models = high level or conceptual model, representational model, low level or physical model.
Data abstraction
Levels of abstraction = physical, logical, view

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@shubhamgautam8593
@shubhamgautam8593 Жыл бұрын
Why u stopped,adding videos
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