INTERVIEW QUESTIONS DATABASE SQL SERVER DETAILS

Question: What is the difference between weak entity set & strong entity set?

Answer: Weak Entity Set:
An entity set that does not possess sufficient attributes to form a primary key is called a weak entity set.
Strong Entity Set:
One that does have a primary key is called a strong entity set.

Weak Entity Set:
An entity set that does not possess sufficient attributes to form a primary key is called a weak entity set.
Strong Entity Set:
One that does have a primary key is called a strong entity set. Source: CoolInterview.com

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