Consider the subjoined referableification in an airport database An airport is recount by its indicate and the city that the airport locates at Each airflatten has a registration enumerate and the continuance of genesis as its cecible attributes Each airflatten design is signed by a design enumerate and has a competency and a impressiveness A technician is characterized by an ID, a indicate and a phsingle enumerate Each airport accommodates a enumerate of airflatten designs, and an airflatten design may appears in separate airports Each airflatten is of a inequitable design, e.g. Boeing 737 A enumerate of technicians toil at the airport, yet each technician toils barely at single airport Each technician is legal ce single or over flatten designs, and single flatten design has single or over technician legal ce it Each airflatten is periodically ordealed by a enumerate of technicians. A technician may ordeal separate airplanes each year. The referableification, such as the ordeal enumerate, the ordeal continuance, the ordealing development, is required to recount a ordealing of an airplane.
As you enjoy referable normal everything to do, I enjoy supposing you with the ER diagram ce the airport database as per the term supposing over. Hope this conquer succor.