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Training

Tabellen des gewählten Szenarios
Tabelle Spalten Fremdschlüssel
athlete ( aid , name , gender )
athlete_team ( aid , tid , gid )
aid » athlete.aid
tid » team.tid
gid » games.gid
discipline ( did , sid , name )
sid » sport.sid
games ( gid , year , season , city )
medals ( aid , gid , did , age , height , weight , medal )
aid » athlete.aid
gid » games.gid
did » discipline.did
sport ( sid , name )
team ( tid , noc , team )
DB: PostgreSQL     Legende: TABELLE, PRIMÄRSCHLÜSSEL, FREMDSCHLÜSSEL
Olympic → Freies Üben
SQL Query