Multiple choice technology architecture

An instance is

  1. an attribute of an entity

  2. a special type of relation

  3. a particular occurance of an entity (e.g. Tom Osman is an instance of the entity STUDENT)

  4. any particular entity
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C Correct answer
Explanation

An instance is a specific occurrence or example of an entity type - for example, 'Tom Osman' is one particular instance of the STUDENT entity type. In database terms, an instance corresponds to one specific row or record in a table.

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