Update ER Diagram authored by csas's avatar csas
Umbenennung (Medium --> Boat):
boat_type (**id**, min_persons, max_persons, name)
boat(**id**, blocked, name, comments, boat_type_id)
discipline (**id**,name)
borrow_entry (**id**, begintime, endtime, destination,comments ,boat_id,discipline_id)
boat_type_to_discipline (**boat_type_id,discipline_id**)
boat_user(**borrow_entry_id,surname,name**,phone_number,email,street,street_number,plz,city)
person (**id**,surname,name,username,role_flag)
![ER_new__1_](uploads/174340ece4b7e8abcb7b3a1fc38e8e0d/ER_new.png)
Diagram:
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