Training
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