Database-Management-System
August 29, 2024Database-Management-System
August 29, 2024Database-Management-System
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Question 499
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An entity has :
(i). a set of properties
(ii). a set of properties and values for all the properties
(iii). a set of properties and the values for some set of properties may non-uniquely identify an entity
(iv). a set of properties and the values for some set of properties may uniquely identify an entity
Which of the above are valid ?
(i). a set of properties
(ii). a set of properties and values for all the properties
(iii). a set of properties and the values for some set of properties may non-uniquely identify an entity
(iv). a set of properties and the values for some set of properties may uniquely identify an entity
Which of the above are valid ?
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(i) only
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(ii) only
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(iii) only
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(iv) only
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Question 499 Explanation:
An entity has a set of properties and the values for some set of properties may uniquely identify an entity.
Correct Answer: D
Question 499 Explanation:
An entity has a set of properties and the values for some set of properties may uniquely identify an entity.