How is the databased approach different from the file based approach?

How is the databased approach different from the file based approach?OrExplain the difference between a file oriented system and a database oriented system.Or...
what u mean by Mapping cardinalities, participation constraints, attribute inheritance.

what u mean by Mapping cardinalities, participation constraints, attribute inheritance.

(1) Mapping Cardinalities:- Mapping cardinalities can be defined as the number of entities to which another entity is associated via relationship set. Binary relationship...
what are data models in dbms

what are data models in dbms|what are its types?

Data ModelsA model is an abstraction process that hides superfluous details while highlighting details pertinent to the applications at hand. Data model is a...