Network,tree,and relational models are examples of database structure at which level?
A) Physical level
B) Logical level
C) Conceptual level
D) Hierarchical level

Question

Quizplus · Accepted Answer

Network, tree, and relational models are all examples of logical database structures, which describe how data is organized and accessed by users and applications, in contrast to physical structures (which describe how data is stored on disk) and conceptual structures (which describe the underlying data model and relationships between entities). The hierarchical level isn't a common term used in discussing database structures.

Network,tree,and Relational Models Are Examples of Database Structure at Which