What is the difference between weak entity set & strong entity set ?
Interview question and answer by: Bharathi Cherukuri
| Posted on: 4/30/2012 | Category: SQL Server Interview questions
| Views: 3570 | | Points: 40
Weak Entity Set:
An entity set which does not possess sufficient attributes to form a primary key is known as a weak entity set.
Strong Entity Set:
An entity set which does have a primary key is called a strong entity set.
Set of all Persons,Companies,Trees,Holidays
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