An aggregation relationship in the domain model suggests the application of the   Question options:   creator pattern   singleton pattern   controller pattern   expert pattern

Q: Why should a data object not be added to a data model?

A: A data model (or datamodel) is associate abstract model that organizes components of information and…

Q: What precisely does "Identifier attribute" imply when it is used?

A: The answer for the above mentioned question is given in the below steps for your reference.

Q: What are the basic features of a descriptive model?

A: Basic features of a descriptive model will be explained:

Q: Define Attribute interpolation.

A: When making the application using the Angular, users come in contact with some ways for showing data…

Q: Change the Class Diagram to have (Generalization, Aggregation, Composition, Association and…

A: The Class Diagram to have (Generalization, Aggregation, Composition, Association and…

Q: What is an example of a supertype/subtype connection in which the disjoint rule is applicable?

A: Solution:- Disjoint rule: The disjoint rule indicates that the supertype instance may not be a…

Q: A prescriptive model is considerably unlike from a descriptive model.

A: Descriptive models are generally used for understanding, forecasting, and communicating, whereas…

Q: 2- Design a class diagram of a course registration system. Note: utilize various class relations:…

A: Answer : the complete class diagram of course registration system is designed as below diagram using…

Enhanced ER Model

The enhanced ER model is an abbreviation for Enhanced Entity-Relationship (EER) model. As you know, the entity-relationship (ER) model is a pictorial illustration of the relationship between various entities of a domain. In the case of a large amount of data with multiple interrelated entities, the ER diagrams become complex and tough to interpret. For such cases, the need for enhancement in the ER model was observed, and thus, the EER model was designed.