A relationship is a data object that defines and establishes an association between entity sets.
A relationship may, in addition to expressing an association between entity sets, act as a repository for some portion of the data managed by the application. There are therefore two classes of relationships: those with fields (containing data) and those without.
Establishing a Relationship
Access the Zim IDE, select RELATIONSHIPS from the DataBases menu and use the Zim IDE Development tools to define the desired relationship.
Creation of Relationship step by step: