Atangible entityis a real-world object that can bemeasured and storedin a database.
Example Usage:
In an inventory system,tangible entitiesinclude:
Products, Orders, Customers
Why Other Options Are Incorrect:
Option A (Logical entity) (Incorrect):Exists logically butmay not have a physical presence(e.g.,views, categories).
Option C (Virtual entity) (Incorrect):Existsonly in queries or reports, not stored as real data.
Option D (Conceptual entity) (Incorrect):Abstract idea used indesign modeling, not astored entity.
Thus, the correct answer isTangible entity, as it representsmeasurable, real-world objects.
[Reference:Physical vs. Logical Database Entities​., ]
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