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3. What is a data model? Hierarchical | Network | Relational | Entity-relationship model
Q. What is a data model? Ans. A data model is an abstract model that organizes elements of data in a certain format. The data model decides the structure or the method of storing the data in the database. It also makes sure that the data is related to one another. The data model also makes sure how the DBMS will manage the data in the database ...
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