Data Modeling Question: Download Data Modeling PDF

Do you know what does data model contain?

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Answer:

Logical Data Model Contain:
Entry, Super Type, Sub Type, primary key, Alternate key, Inversion key Entry, Rule, Relationship, Definition, Business Rule, Entity, etc.

Physical Data Model Contain:
Table, Column, Primary key Constraint, Unique Index, Non Unique Index, Check constraint, Default value, Foreign key, Comment etc.

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