Which of the following represents the entities?
Correct answer: D. All of these
- A. Teacher
- B. Student
- C. Aero Plane
- D. All of these
Explanation
In an Entity-Relationship Model (ERM), an entity refers to a real-world object or concept that can be uniquely identified and has its own set of attributes. In the image you sent, all three options - Teacher, Student, and Airplane - could be considered entities in an ERM. So, all of the above options could be entities depending on the specific ER model being designed.
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