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ITE-6100B
The participation of an entity...
The participation of an entity in the relationship is optional.
Optional
Correct
Similar ITE-6100B questions
A single entity instance of one entity class is related to a single entity instance of another entit...
The participation of an entity in the relationship is mandatory.
A single entity instance of one entity class is related to a multiple entity instance of another ent...
Each entity instance of one entity class is related to a multiple entity instance of another entity...
The relational model (RM) was first described by Edgar F. Codd
This relationship exists if they are independent or different to each other.