What Is Data Model In DBMS, Explain Data Model In DBMS
1.A model defines the manner in which various files of a database are linked together.
2.A data model can be thought of as a diagram or flowchart that illustrates the relationships between data.
3.A data model is a collection of concepts that can be used to describe the structure of a database.
4.By structure of a database we mean the
* Data types,
* Relationships,
* Constraints that should hold on the data.
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