linfo2172-databases/P2/exo3/exo3.dbml

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Table Customer {
cid integer [primary key, not null]
firstname varchar [primary key, not null]
lastname varchar [primary key, not null]
preference_vcid integer [Ref: > VehicleClass.vcid, not null]
preference_vcname varchar [Ref: > VehicleClass.vcname, not null]
}
Table VehicleClass {
vcid integer [primary key, not null]
vcname varchar [primary key, not null]
length integer [not null]
width integer [not null]
height integer [not null]
}
Table Vehicle {
vid integer [primary key, not null]
vcid integer [primary key, ref: > VehicleClass.vcid, not null]
vcname varchar [primary key, ref: > VehicleClass.vcname, not null]
last_check_date datetime [not null]
plate_num integer [null]
street varchar [primary key, not null, ref: > Station.street]
postcode varchar [primary key, not null, ref: > Station.postcode]
city varchar [primary key, not null, ref: > Station.city]
name varchar [primary key, not null, ref: > Station.name]
}
Table Station {
street varchar [primary key, not null]
postcode varchar [primary key, not null]
city varchar [primary key, not null]
name varchar [primary key, not null]
}
Table Reservation {
startDateTime datetime [primary key, not null]
endDateTime datetime [not null]
frid integer [null, ref: > FinishedReservation.frid]
cid integer [primary key, not null, ref: > Customer.cid]
cname varchar [primary key, not null, ref: > Customer.firstname]
vid integer [primary key, not null, ref: > Vehicle.vid]
}
Table FinishedReservation {
frid integer [primary key, not null]
distance integer [not null]
cost integer [not null]
}