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Why Domain Is Of High Importance? |
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Answer» Domain describes possible VALUES grouped together that can be given for an ATTRIBUTE. It is considered the same way as a constraint on the value of attribute. A domain can be attached to an attribute but only if the attribute is an ELEMENT of specified set. For EXAMPLE: XYZ doesn’t fulfill the domain constraint but the integer value as 899 fulfills the CRITERIA of domain constraint. Hence, domain is of high importance. Domain describes possible values grouped together that can be given for an attribute. It is considered the same way as a constraint on the value of attribute. A domain can be attached to an attribute but only if the attribute is an element of specified set. For example: XYZ doesn’t fulfill the domain constraint but the integer value as 899 fulfills the criteria of domain constraint. Hence, domain is of high importance. |
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