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What Is The Difference Between Logical Data Model And Physical Data Model? |
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Answer» PHYSICAL data model depicts DATABASE in terms of physical objects, such as TABLES and constraints; whereas, logical data model depicts database in terms of logical objects, such as entities and relationships, and it is represented by the entity- RELATIONSHIP model. Physical data model depicts database in terms of physical objects, such as tables and constraints; whereas, logical data model depicts database in terms of logical objects, such as entities and relationships, and it is represented by the entity- relationship model. |
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