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Entity Relationship is more likely: In a class model, the term association is used instead of a relationship. In a class diagram, entities are referred to as classes.
this maybe a tricky question. They asked for a model(which can either be Class or Data) but Entity Relationship Diagram is a diagram for Data Model while Class diagram is for class model, both are diagrams for the respective models. Hence, i think the answer is correct.
Also, Data dictionary on page 247 classifies Entity Relationship Diagram as part of it, which classifies data between solution and stakeholder.The question also mentioned solution which means A can be the answer.
I think you are right about model vs diagram, i agree, class model is the answer: The diagram in a data model is called an entity-relationship diagram (ERD). In a
class model, the diagram is called a class diagram. (p258)
Class Model is correct. The key word is "Operation" which is a characteristic of Class diagram or model, not of an Entity relationship diagram. As per BABOK v3 10.15.3.1, a class also contains operations or functions that describe what can be done with the class, such as generating an invoice or opening a bank account. This is not a feature of Entity Relationship diagram so Class diagram is more appropriate.
Entity-Relationship diagrams (ERDs) are used to visually represent the entities, attributes, and relationships within a data model. They provide a structured view of the data elements relevant to a domain, including their attributes and the relationships among them.
It's not C because according to BABOK V3. Class diagrams are another type of visual representation used in data modeling, particularly in object-oriented software development. They describe the attributes, operations, and relationships of CLASSES within a system. Questions is asking for ENTITIES...
Entity-Relationship diagrams (ERDs) are used to visually represent the entities, attributes, and relationships within a data model. They provide a structured view of the data elements relevant to a domain, including their attributes and the relationships among them.
It's not C because according to BABOK V3. Class diagrams are another type of visual representation used in data modeling, particularly in object-oriented software development. They describe the attributes, operations, and relationships of CLASSES within a system. Questions is asking for ENTITIES...
BABOK V3 pg 258 In a class model, the term association is used instead of relationship and multiplicity is used instead of cardinality.
Both data models and class models may have one or more diagrams that show
entities, attributes, and relationships
Data Dictionary does not have relationship. Entity diagram does not have operations.
Class Diagram have attributes, operations, and relationship . So the answer is class Diagram
Answer is A. BABOK V3 P258 - " In a class model, the term association is used instead of relationship and multiplicity is used instead of cardinality.
The diagram in a data model is called an entity-relationship diagram (ERD). In a class model, the diagram is called a class diagram." Since, its talking about attributes and not relationship, C can be ruled out.
Answer C is correct
Class model have operations also called methods or functions in a programming language.
Entity relationship tables don't have any operations capabilities.
Associations and relations are same. In entities its called relationship while as in class diagram its is called association. Its just difference in terminology.
As per Page no 260 figure 10.15.2 Class Diagram (UML) which is also called Class Diagram the models demonstrates the attributes, operations, and relationship to entities within the solution
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