Database Management System05 marksMapping one-to-many relationships
During ER-to-Relational Mapping, show how you map 1:N and N:M relationship into a relation?
During ER-to-Relational Mapping, show how you map 1:N and N:M relationship into a relation? [5]
In a 1:N relationship between two entity types, the entity on the N-side (many-side) receives a foreign key that references the primary key of the entity on the 1-side (one-side). 1. Create a relation for each participating entity. 2. Identify the entity on the 1-side and the entity on the N-side...