Explanation:Here one entity in one set is related to one one entity in other set. 3. An entity in A is associated with at most one entity in B. An entity in B, however, can be associated with any number (zero or more) of entities in A.
A. One-to-many
B. One-to-one
C. Many-to-many
D. Many-to-one
Answer:A
Explanation:Here one entity in one set is related to one one entity in other set. 3. An entity in A is associated with at most one entity in B. An entity in B, however, can be associated with any number (zero or more) of entities in A.
A. One-to-many B. One-to-one C. Many-to-many D. Many-to-one
Explanation:Here more than one entity in one set is related to one one entity in other set. 4. Data integrity constraints are used to: