1. Netball case study Harryanto Surjani

2. domain Team names Team locations – where they’re based Game venues – Venue name and what the stadium is called Draw – who’s playing who and in what rounds Games played – games played so far

3. erd

4. 1 to M cityid | city --------+------------ 1 | Canberra 2 | Melbourne 3 | Hobart venueid | cityid | stagename ---------+--------+-------------------------------------------- 1 | 1 | AIS Arena 2 | 1 | Subway ACT Netball Centre 3 | 2 | State Netball Hockey Centre

5. M:M teamid | cityid | teamname --------+--------+----------------------- 1 | 1 | Canberra Darters 2 | 2 | Melbourne Kestrels 3 | 2 | Melbourne Phoenix drawid | hometeamid | awayteamid | venueid | round --------+------------+------------+---------+------- 1 | 2 | 3 | 4 | 1 2 | 7 | 1 | 11 | 1 3 | 8 | 5 | 12 | 1

6. simple query select * from hsteam; teamid | cityid | teamname --------+--------+----------------------- 1 | 1 | Canberra Darters 2 | 2 | Melbourne Kestrels 3 | 2 | Melbourne Phoenix 4 | 4 | Hunter Jaegers 5 | 5 | Adelaide Thunderbirds 6 | 6 | Perth Orioles 7 | 7 | Queensland Firebirds 8 | 9 | Sydney Swift Shows all rows in the hsteam table.

7. natural join select * from hsteam natural join hscity; cityid | teamid | teamname | city --------+--------+-----------------------+----------- 1 | 1 | Canberra Darters | Canberra 2 | 2 | Melbourne Kestrels | Melbourne 2 | 3 | Melbourne Phoenix | Melbourne 4 | 4 | Hunter Jaegers | Newcastle 5 | 5 | Adelaide Thunderbirds | Sydney 6 | 6 | Perth Orioles | Perth 7 | 7 | Queensland Firebirds | Brisbane 9 | 8 | Sydney Swift | Adelaide Shows which city each team is based in.

8. cross product select * from hsteam, hscity where hsteam.cityid = hscity.cityid; teamid | cityid | teamname | cityid | city --------+--------+-----------------------+--------+----------- 1 | 1 | Canberra Darters | 1 | Canberra 2 | 2 | Melbourne Kestrels | 2 | Melbourne 3 | 2 | Melbourne Phoenix | 2 | Melbourne 4 | 4 | Hunter Jaegers | 4 | Newcastle 5 | 5 | Adelaide Thunderbirds | 5 | Sydney 6 | 6 | Perth Orioles | 6 | Perth 7 | 7 | Queensland Firebirds | 7 | Brisbane 8 | 9 | Sydney Swift | 9 | Adelaide Shows which city each team is based in.

9. group by select teamname, count(*) as home_games from hsdraw natural join hsteam where hometeamid = teamid group by teamname; teamname | home_games -----------------------+------------ Melbourne Phoenix | 7 Perth Orioles | 7 Adelaide Thunderbirds | 7 Hunter Jaegers | 7 Melbourne Kestrels | 7 Queensland Firebirds | 7 Canberra Darters | 7 Sydney Swift | 7 Shows how many home games each team has.

10. subquery select teamname, awaypoints, homepoints from hsdraw natural join hsgame, hsteam where awayteamid=teamid and awaypoints >= (select max(homepoints) from hsgame); teamname | awaypoints | homepoints -----------------------+------------+------------ Adelaide Thunderbirds | 69 | 40 Shows the most points an away team has had over a home team.

11. cross product select home.teamname as home_teamname, away.teamname as away_teamname from hsdraw, hsgame, hsteam home, hsteam away where hsdraw.hometeamid = home.teamid and hsdraw.awayteamid=away.teamid and homepoints > awaypoints and round = 1 and hsgame.drawid=hsdraw.drawid; home teamname | away teamname ----------------------+----------------------- Queensland Firebirds | Canberra Darters Sydney Swift | Adelaide Thunderbirds Hunter Jaegers | Perth Orioles Shows the home teams that won in round 1.

12. constraints constraint check_hshomepoints check (homepoints > 0), constraint check_hsawaypoints check (awaypoints > 0) constraint validhscity check (city in ('Canberra', 'Melbourne', 'Hobart', 'Newcastle', 'Sydney', 'Perth', 'Brisbane', 'Wollongong', 'Adelaide', 'Grafton'))

13. delete cascades constraint fkhscityid foreign key (cityid) references hscity (cityid) on update cascade on delete cascade constraint fkhshometeamid foreign key (hometeamid) references hsteam (teamid) on delete cascade on update cascade, constraint fkhsawayteamid foreign key (awayteamid) references hsteam (teamid) on delete cascade on update cascade,

14. views CREATE view hshomepointstable (team, points) as select teamname, count(*)*2 from hsgame natural join hsdraw, hsteam where homepoints > awaypoints and hometeamid = teamid group by teamname; CREATE view hsawaypointstable (team, points) as select teamname, count(*)*2 from hsgame natural join hsdraw, hsteam where awaypoints > homepoints and awayteamid=teamid group by teamname; CREATE view hspointstable (team, points) as select team, CASE WHEN home.points is null THEN away.points WHEN away.points is null then home.points ELSE home.points+away.points END from hshomepointstable home FULL JOIN hsawaypointstable away using (team);