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Question
Differentiate between the terms Attribute and Domain in the context of Relational Data Model.
Distinguish Between
Solution
S. No. | Attribute | Domain |
1. | Each entity in an entity collection possesses a descriptive property. | The range of values that an attribute can have. |
2. | Aids in describing a thing. | Aids in defining the range of values appropriate for a given attribute. |
3. | Two examples of attributes are name and age. | In order to describe the domain, the name must be alphabetical and the age must be positive. |
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