Jeff is a manager at a financial institution. He needs to make a decision on thebest database model to implement within his environment. The data relationship type his applications require is a one to many. Which of the following would be the best model for Jeff to choose?

A.
Relational

B.
Hierarchical

C.
Tree

D.
Structured

Explanation:
A hierarchical data model combines records and fields that are relatedin a logical tree structure. the hierarchical database the parents can have onechild, many children, or no children. The tree structure contains branches, and each branch has a number of leaves, or data fields. These databases have well-defined,pre-specified access paths, but are not as flexible in creating relationships between data elements as a relational database. Hierarchical databases are useful for mapping one-to-many relationships.