Question

Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?
A.Weak entity
B.Strong entity
C.ID-dependent entity
D.ID- independent entity

Answer 1

______✨ HEY MATE ✨______

➡️Option (A) Weak entity is the right answer ✔️

$<marquee>✌️ I THINK IT HELPED YOU ✌️$

Answer 2

ENTITIES IN THE DATABASE

(a) Weak entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier.

EXPLANATION:

* A weak entity is one that cannot exist in a database unless it is accompanied by another sort of entity. Two requirements are met by a weak entity.

*Existence-dependent entities cannot exist unless the entity with whom they have a connection has a primary key that is partially or completely derived from the relationship's parent entity.

* Double rectangles or double diamonds signify a weak entity.