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@startuml
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!define table(x) entity x << (T, white) >>
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!define primary_key(x) <b><color:#b8861b><&key></color> x</b>
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!define foreign_key(x) <color:#aaaaaa><&key></color> x
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skinparam linetype ortho
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table(Turnier) {
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primary_key(turnier_id)
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--
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name: varchar
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start_datum: date
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end_datum: date
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ort: varchar
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kategorie_oeto: varchar
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}
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table(Bewerb) {
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primary_key(bewerb_id)
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--
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foreign_key(turnier_id)
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nummer: varchar
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disziplin: varchar
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klasse: varchar
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nenngeld: decimal
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}
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table(Person) {
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primary_key(person_id)
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--
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vorname: varchar
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nachname: varchar
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lizenznummer: varchar
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}
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table(Pferd) {
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primary_key(pferd_id)
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--
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foreign_key(besitzer_person_id)
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name: varchar
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lebensnummer: varchar
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}
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table(Nennung) {
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primary_key(nennung_id)
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--
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foreign_key(bewerb_id)
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foreign_key(person_id)
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foreign_key(pferd_id)
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status: varchar
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nennungs_datum: timestamp
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}
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table(Startplatz) {
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primary_key(startplatz_id)
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--
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foreign_key(nennung_id)
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startnummer: int
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startzeit: time
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status: varchar
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}
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table(Ergebnis) {
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primary_key(ergebnis_id)
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--
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foreign_key(startplatz_id)
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wertnote: decimal
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fehler: int
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zeit: time
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platzierung: int
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}
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Turnier ||--o{ Bewerb
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Bewerb }o--o{ Nennung
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Person }o--o{ Nennung
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Pferd }o--o{ Nennung
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Person }o..o{ Pferd
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Nennung ||--|{ Startplatz
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Startplatz ||--|{ Ergebnis
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@enduml
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