What do you mean by weak entity set?

Опубликовано: 12 Ноябрь 2019
на канале: Tech·WHYS

What do you mean by weak entity set?
Aug 2, 2019

In a relational database, a weak entity is an entity that cannot be uniquely identified by its attributes alone; therefore, it must use a foreign key in conjunction with its attributes to create a primary key. The foreign key is typically a primary key of an entity it is related to.

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