A binary relationship is which of the following?
A. A relationship between two attributes
B. A relationship between two entities
C. An attribute with two different relationships
D. An entity with two different relationships
Answer: Option B
A. Derived attribute
B. Optional one cardinality
C. Multi-valued attribute
D. Weak entity
A. Some of the relationships for the participating entities are 'many'.
B. The resulting associative entity has an independent meaning.
C. The resulting associative entity has no attributes.
D. All of the above.