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(24) Define the term partial key? - UpAnswers.Com (Homework Help)
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(24) Define the term partial key?

Question:

Define the term partial key?

 

SOLUTION

A partial key is an identifier of a weak entity type. By itself, it is not a “unique” identifier, but when combined with the unique identifier of the identifying parent of the weak entity type, it uniquely identifies weak entities.

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