CITM-001 · Question #25
Which diagram consists of object types and relationships?
The correct answer is A. ER Diagram. An ER diagram (Entity-Relationship diagram) is a type of diagram that consists of object types and relationships. An object type is a category of objects that share common attributes and behaviors, such as a class, an entity, or a component. A relationship is a connection or…
Question
Which diagram consists of object types and relationships?
Options
- AER Diagram
- BData Flow Diagram
- CCouple Diagram
- DAnalytical Diagram
How the community answered
(22 responses)- A91% (20)
- B5% (1)
- C5% (1)
Explanation
An ER diagram (Entity-Relationship diagram) is a type of diagram that consists of object types and relationships. An object type is a category of objects that share common attributes and behaviors, such as a class, an entity, or a component. A relationship is a connection or association between two or more object types, such as an inheritance, an aggregation, or a dependency. An ER diagram is used to model the structure and semantics of a system, such as a database, a software system, or a business domain. An ER diagram can show the cardinality, optionality, and constraints of the relationships, as well as the attributes and operations of the
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