2 2 votes A Network Schema restricts to one to many relationship permits to many to many relationship Stores Data in a Database Stores Data in a Relation Databases ugcnetcse-june2013-paper2 databases relational-model + – go_editor 3.2k views answer comment Share Follow Print 0 reply Please log in or register to add a comment.
Best answer 2 2 votes Answer : permits to many to many relationship The network model is a database model conceived as a flexible way of representing objects and their relationships. Its distinguishing feature is that the schema, viewed as a graph in which object types are nodes and relationship types are arcs, is not restricted to being a hierarchy or lattice. Reference : to match the answer read this Network Model it is clearly mentioned there that option B is correct. shekhar chauhan answered Jul 14, 2016 • selected Sep 23, 2016 by Sankaranarayanan P.N shekhar chauhan comment Share Follow 0 reply Please log in or register to add a comment.
3 3 votes there is one difference in Hierarchical model and network model that the former is based on Tree and later is based on graph . hence Hieraichial model can have one to many relationship but not many to many while Network model can have both one to many and many to many relationships Hence ans is B Sanjay Sharma answered Jul 14, 2016 Sanjay Sharma comment Share Follow 0 reply Please log in or register to add a comment.
