Get Design Mapping Er Model To Relational Model Example Download Zip PNG. In the following er diagram we have two entities student and college and. They are called weak entity types.
Design choices for er conceptual design.
Can create logical problems when relational tables are linked. التحويل بين ال er و ال relational model. We use the company database example to illustrate the mapping procedure. A mapping procedure that considers various features of the er model and transforms the er schema and its.