ER-Diagram.md

+
+Diagram:
+
+[ER_Rel.pdf](uploads/3df02e131d936fd00b9fb896909234aa/ER_Rel.pdf)
+
+Relationales Modell:
+
+boat_type (**id**, min_persons, max_persons, name)
+
+medium(**id**, blocked, name, comments, boat_type_id)
+
+discipline (**id**,name)
+
+borrow_entry (**id**, begintime, endtime, destination,comments ,medium_id, medium (id),discipline_id)
+
+boat_type_to_discipline (**boat_type_id,discipline_id**)
+
+medium_user (**borrow_entry_id,surname,name**,phone_number,email,street,street_number,plz,city)
+
+person (**id**,surname,name,username,role_flag)
+
+
+
+
+- Für eigene Änderungen: 
+
+[ER_Rel.drawio](uploads/98df50e192bbc1fd447ff56589f100db/ER_Rel.drawio)