What are the rules for naming and defining attributes?
What will be an ideal response?
Name attributes using the following guidelines:
• An attribute name is a noun.
• An attribute name should be unique.
• To make an attribute name unique and for clarity, each attribute name should follow a standard format.
• Similar attributes of different entity types should use similar but distinguishing names.
• An attribute definition states what the attribute is and possibly why it is important.
• An attribute definition should make it clear what is included and what is not included in the attribute's value.
• Any aliases, or alternative names, for the attribute can be specified in the definition.
• It may also be desirable to state in the definition the source of values for the attribute.
• An attribute definition should indicate if a value for the attribute is required or optional.
• An attribute definition may indicate if a value for the attribute may change once a value is provided and before the entity instance is deleted.
• An attribute definition may also indicate any relationships that attribute has with other attributes.
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