Planets in python
Planet OF Python EER is a high-level data model that incorporates the extensions to the original ER model. It is a diagrammatic technique for displaying the following conceptsSub Class and Super ClassSpecialization and GeneralizationUnion or CategoryAggregationThese concepts are used when the comes in EER schema and the resulting schema diagrams called as EER Diagrams. Features of EER ModelEER creates a design more accurate to database schemas.It reflects the data properties and constraints more precisely.It includes all modeling concepts of the ER model.Diagrammatic technique helps for displaying the EER schema.It includes the concept of specialization and generalization.It is used to represent a collection of objects that is union of objects of different of different entity types.A. Sub Class and Super ClassSub class and Super class relationship leads the concept of Inheritance.The relationship between sub class and super class is denoted with symbol.1. ...