In computing, the attribute domain is the set of values allowed in an attribute. For example: Rooms in hotel (1–300) Age (1–99) Married (yes or no) Nationality (Nepalese, Indian, American, or British) Colors (Red, Yellow, Green) For the relational model it is a requirement that each part of a tuple be atomic.
In computing, the attribute domain is the set of values allowed in an attribute. For example: Rooms in hotel (1–300) Age (1–99) Married (yes or no) Nationality (Nepalese, Indian, American, or British) Colors (Red, Yellow, Green) For the relational model it is a requirement that each part of a tuple be atomic.
Source: Wikipedia "Attribute domain" · CC BY-SA 4.0
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