Question: Select a correct statement regarding Primary key. Primary key can be used to identify distinct resource entities but not distinct event entities. Primary key should

Select a correct statement regarding Primary key.
Primary key can be used to identify distinct resource entities but not distinct
event entities.
Primary key should be a numeric data type.
The values of primary key should be different for different tuples.
A single attribute needs to be designated as Primary key.
Select a correct statement regarding Primary key.

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