+ 2

Why we need a weak entity?

Pls define it .

16th Nov 2019, 1:26 PM
Piyush Srivastava
Piyush Srivastava - avatar
1 Odpowiedź
+ 1
A weak entity is one that can only exist when owned by another one. For example: a ROOM can only exist in a BUILDING. On the other hand, a TIRE might be considered as a strong entity because it also can exist without being attached to a CAR.
16th Nov 2019, 9:32 PM
A͢J
A͢J - avatar