Question

define strong entry set with example​

Answer 1

Answer:

The entity set which does not have sufficient attributes to form a primary key is called as Weak entity set. An entity set that has a primary key is called as Strong entity set. ... For example, payment_number acts as discriminator for payment entity set. It is also called as the Partial key of the entity set.

Answer 2

Answer:

The entity set which does not have sufficient attributes to form a primary key is called as Weak entity set. An entity set that has a primary key is called as Strong entity set. ... For example, payment_number acts as discriminator for payment entity set. It is also called as the Partial key of the entity set.

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