CIS 484 Midterm Question and
answers verified to pass 2026/2027
Binary relationships - correct answer ✔those involving two entity types
Unary relationships - correct answer ✔includes on entity type
Ternary Relationship - correct answer ✔Three entities are associated
Referential Integrity - correct answer ✔______ addresses a particular issue that can arise between
two tables in a relational database. The issue has to do with a foreign key value in one table being able
to find a matching primary key value in another table during a join operation.
Unary one-to-many - correct answer ✔the association with the same entity between the same
instances represented by different role groups.
Unary relationship - correct answer ✔When both participants in the relationship are in the same
entity
Ternary relationship - correct answer ✔when three entities participate in the relationship
connectivity - correct answer ✔The ___ of a relationship is its classification. It may be a one to one
(1:1), one to many (1:M) or many to many (M:N) relationship
cardinality - correct answer ✔The ___ of a relationship is the number of instances of entity B that can
be associated with entity A.
answers verified to pass 2026/2027
Binary relationships - correct answer ✔those involving two entity types
Unary relationships - correct answer ✔includes on entity type
Ternary Relationship - correct answer ✔Three entities are associated
Referential Integrity - correct answer ✔______ addresses a particular issue that can arise between
two tables in a relational database. The issue has to do with a foreign key value in one table being able
to find a matching primary key value in another table during a join operation.
Unary one-to-many - correct answer ✔the association with the same entity between the same
instances represented by different role groups.
Unary relationship - correct answer ✔When both participants in the relationship are in the same
entity
Ternary relationship - correct answer ✔when three entities participate in the relationship
connectivity - correct answer ✔The ___ of a relationship is its classification. It may be a one to one
(1:1), one to many (1:M) or many to many (M:N) relationship
cardinality - correct answer ✔The ___ of a relationship is the number of instances of entity B that can
be associated with entity A.
