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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 (Prof. Schiefer) → Aggregation/Gruppierung → Aufgabe 5.9
Aufgabe Bestimmen Sie den Altersbereich (das Minimum- und Maximum-Alter) der Athleten, die an verschiedenen Sportarten teilgenommen haben. Zeigen Sie für jede Sportart das jüngste und älteste Alter der Athleten an.
SQL Query
 
Ausgabe der Musterlösung — Datensätze : 63
sport_name min_age max_age
Alpine Skiing 17 32
Alpinism 27 57
Archery 17 55
Art Competitions 20 73
Athletics 16 38
Badminton 19 32
Baseball 20 37
Basketball 18 37
Basque Pelota 26 26
Beach Volleyball 21 38
Biathlon 20 40
Bobsleigh 15 40
Boxing 17 31
Canoeing 18 40
Cricket 24 40
Croquet 15 15
Cross Country Skiing 19 43
Curling 24 47
Cycling 18 43
Diving 15 33
Equestrianism 20 56
Fencing 17 50
Figure Skating 14 38
Football 16 36
Freestyle Skiing 20 33
Golf 17 41
Gymnastics 14 45
Handball 19 39
Hockey 17 41
Ice Hockey 17 41
Judo 18 33
Lacrosse 22 32
Luge 19 42
Military Ski Patrol 20 26
Modern Pentathlon 21 34
Nordic Combined 19 36
Polo 21 48
Racquets 19 25
Rhythmic Gymnastics 15 24
Roque 37 37
Rowing 13 58
Rugby 20 33
Rugby Sevens 20 29
Sailing 15 56
Shooting 17 61
Short Track Speed Skating 17 31
Skeleton 25 41
Ski Jumping 18 31
Snowboarding 18 36
Softball 21 38
Speed Skating 17 37
Swimming 13 32
Synchronized Swimming 19 31
Table Tennis 19 35
Taekwondo 17 30
Tennis 16 40
Trampolining 19 31
Triathlon 22 34
Tug-Of-War 24 42
Volleyball 17 37
Water Polo 18 38
Weightlifting 19 34
Wrestling 19 40