Which statement is? correct? a. In the case a ternary relationship type is represented as three binary relationship types, then semantics will get lost. b. A ternary relationship type can always be...

Which statement is? correct?

a. In the case a ternary relationship type is represented as three binary relationship types, then semantics will get lost.

b. A ternary relationship type can always be represented as three binary relationship types without loss of semantics.

c. Three binary relationship types between three entity types can always be replaced by one ternary relationship type between the three participating entity types.

d. A ternary relationship type cannot have attribut type.