Question

10. Define data model.​

Answer 1

A data model (or datamodel)[1][2][3][4][5] is an abstract model that organizes elements of data and standardizes how they relate to one another and to the properties of real-world entities. For instance, a data model may specify that the data element representing a car be composed of a number of other elements which, in turn, represent the color and size of the car and define its owner

Answer 2

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♡A data model (or datamodel) is an abstract model that organizes elements of data and standardizes how they relate to one another and to the properties of real-world entities.

♡So the "data model" of a banking application may be defined using the entity-relationship "data model".