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working manager-club generation

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Maciekxdabu 2022-12-14 12:02:52 +01:00
parent 0da23c2f15
commit 22aeff1087
1 changed files with 54 additions and 18 deletions
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72
SQL stuff/generate_lab-4.sql
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@ -1,7 +1,13 @@
truncate table stadium;--
truncate table competition;--
truncate table manager;--
truncate table club;--
alter table manager
DISABLE constraint manager_club_fk;
alter table club
DISABLE constraint club_manager_fk;
truncate table stadium cascade;--
truncate table manager cascade;--
truncate table club cascade;--
truncate table competition cascade;--competition is last since it has no foreign keys (but club holds a foreign key to competition)
--create table countryTable (Cname varchar(20))
--
@ -23,7 +29,31 @@ from dual
connect by level <=10
;
insert into manager
select
level +(select nvl(max(id),0) from manager) as id,
DBMS_RANDOM.value(1,5) as skill,
DBMS_RANDOM.value(1,5) as reputation,
DBMS_RANDOM.value(18,80) as age,
DBMS_RANDOM.value(0,1000000) as wage,
level as club_id
from dual
connect by level <=10
;
insert into club
--(id, budget, training_ground_quality, reputation, country_of_origin, competition_id, manager_id)
select
level +(select nvl(max(id),0) from club) as id,
DBMS_RANDOM.value(0,1000000) as budget,
DBMS_RANDOM.value(1,5)as training_ground_quality,
DBMS_RANDOM.value(1,5) as reputation,
dbms_random.string('A', 6) as country_of_origin,
(SELECT id FROM competition SAMPLE(1) WHERE rownum = 1) as competition_id, --https://stackoverflow.com/questions/27879874/how-to-get-random-foreign-key-in-sql-developer
level as manager_id
from dual
connect by level <=10
;
--insert all
--into manager
@ -85,17 +115,23 @@ connect by level <=10
--;
insert into player
select
level +(select nvl(max(id),0) from player) as id,
DBMS_RANDOM.value(1, 5) as skill,
dbms_random.string('A', 6) as position,
DBMS_RANDOM.value(1, 5) as reputation,
dbms_random.string('A', 6) as contract_status,
DBMS_RANDOM.value(0, 700) as injuries,
DBMS_RANDOM.value(15, 50) as age,
DBMS_RANDOM.value(15, 50) as wages,
DBMS_RANDOM.value(0, 1000000000) as transfer_value,
(SELECT id FROM CLUB SAMPLE(1) WHERE rownum = 1) as club_id
from dual
connect by level <=10
--insert into player
-- select
-- level +(select nvl(max(id),0) from player) as id,
-- DBMS_RANDOM.value(1, 5) as skill,
-- dbms_random.string('A', 6) as position,
-- DBMS_RANDOM.value(1, 5) as reputation,
-- dbms_random.string('A', 6) as contract_status,
-- DBMS_RANDOM.value(0, 700) as injuries,
-- DBMS_RANDOM.value(15, 50) as age,
-- DBMS_RANDOM.value(15, 50) as wages,
-- DBMS_RANDOM.value(0, 1000000000) as transfer_value,
-- (SELECT id FROM CLUB SAMPLE(1) WHERE rownum = 1) as club_id
-- from dual
--connect by level <=10
alter table manager
ENABLE constraint manager_club_fk;
alter table club
ENABLE constraint club_manager_fk;