Airbnb Management System Entity Relationships Diagram B Employees

Airbnb Management System Entity Relationships Diagram B Employees ID (PK) ERD_Ver_01 D Club Members Fix Club Member Code (PK) Reported on Taking care of Malfunction Code(PK) Transportation Can become Malfunction D Transportation Number (PK) B Customers uses Customer ID (PK) having Attractions uses Complaints D Orders Complaints Number (PK) Make D Legend Tracking Number (PK) About Entity B D PK Relation Apartments Owner B Apartments Owner ID (PK) Apartments own B Apartments Code (PK) for D Attractions Name (PK) Reported on Taking care of DB Entity Basic Entity Dependant Entity Primary Key Relation 1: 1 1: N N: M Self Relationship Mandatory Optional