Question

The logical data structure with a one-to many relationship is a

• A. network
• B. tree
• C. chain
• D. relational

Answer 1

The correct option is B tree

The logical data structure with a one-to many relationship is a tree.

A logical data model is a data model of a specific problem domain expressed independently of a particular database management product or storage technology but in terms of data structures such as relational tables and columns, object-oriented classes, or XML tags.

A tree is a nonlinear data structure, compared to arrays, linked lists, stacks and queues which are linear data structures. A tree can be empty with no nodes or a tree is a structure consisting of one node called the root and zero or one or more subtrees.