An entity has:(i) a set of properties(ii) a set of properties and valu – McqOptions

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1.	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 entityWhich of the above are valid?
A.	(i) only
B.	(ii) only
C.	(iii) only
D.	(iv) only
Answer» E.

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