Design

DB DESIGN

erDiagram
    Site ||--O| ParkingTimeSpan : CONTAINS
    Site ||--O{ ParkingSlot : CONTAINS
    Site ||--O{ Charger : CONTAINS

    ParkingTimeSpan ||--O{ ParkingTimeSlot : CONTAINS

    ParkingTimeSlot ||--|{ ParkingSlotReservation : "IS USED BY"

    ParkingSlot ||--|{ ParkingSlotReservation : "CONTAINS"
    ParkingSlot ||--|{ ParkingSlotToConnectorsJoin : "LINKS TO"

    Charger ||--|| ParkingSlotToConnectorsJoin : CONTAINS