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1. Which team does Ricardo Kaka play for? (Player is an object table using the object type player_typ. This query is implemented using the get_player_id() object METHOD of player_typ)

SQL> select t.team_name
2 from team t NATURAL JOIN player_plays_in p
3 where p.player_id = (
4 Select p2.get_player_id()
5 from player p2
6 where player_first_name = 'ricardo' and player_last_name = 'kaka');

TEAM_NAME
--------------------
barcelona


2. Change the position of player Arjen Robben to Striker (Uses VALUE to update object table Player)

SQL> update player p
2 SET VALUE(p) = player_typ (113, 'arjen', 'robben', 'striker')
3 WHERE p.player_id = 113;

1 row updated.


3. Show all goals details from Liverpool vs Arsenal match from 2012 season. (Goal details are stored using VARRAY)

SQL> SELECT goal_list
2 FROM goal
3 WHERE game_id = (
4 SELECT game_id from GAME
5 where league_id = (SELECT league_id from league where season_id = 2012 and league_name = 'english premier league')
6 and team1_id = (select team_id from team where team_name = 'liverpool')
7 and team2_id = (select team_id from team where team_name = 'arsenal'));

GOAL_LIST(GOAL_ID, PLAYER_ID, GOAL_FOR, GOAL_AGAINST, GOAL_MINUTE)
--------------------------------------------------------------------------------
MULT_GOALS(MULT_GOALS_TYP(604, 110, 24, 28, 52), MULT_GOALS_TYP(604, 104, 28, 24
, 8), MULT_GOALS_TYP(604, 114, 28, 24, 18))


     
 
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