some changes

- working date
- wokring variable
- new alter script

SQL stuff/alterscript.sql

@@ -0,0 +1,16 @@
+alter table manager
+    DISABLE constraint manager_club_fk;
+
+alter table club
+    DISABLE constraint club_manager_fk;
+alter table club
+    DISABLE constraint club_competition_fk;
+    
+    
+alter table manager
+    ENABLE constraint manager_club_fk;
+
+alter table club
+    ENABLE constraint club_manager_fk;
+alter table club
+    ENABLE constraint club_competition_fk;

SQL stuff/generate_lab-4.sql

@@ -1,13 +1,9 @@
 --variable loops number
---loops := 1000;
+--loops := 10;
+
+
 
-alter table manager
-    DISABLE constraint manager_club_fk;
 
-alter table club
-    DISABLE constraint club_manager_fk;
-alter table club
-    DISABLE constraint club_competition_fk;
 
 truncate table takes_part_in cascade;--
 truncate table takes_place_in cascade;--
@@ -18,6 +14,9 @@ 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)
 
+declare loops number := 10;
+begin
+
 --create table countryTable (Cname varchar(20))
 --
 --insert into table countryTable values('Poland')
@@ -35,7 +34,7 @@ insert into competition
     DBMS_RANDOM.value(1,5) as reputation
 --into competionTemp 
 from dual
-connect by level <=1000
+connect by level <=loops
 ;
 
 insert into manager
@@ -47,7 +46,7 @@ insert into manager
         DBMS_RANDOM.value(0,1000000) as wage,
         level as club_id
 from dual
-connect by level <=1000
+connect by level <=10
 ;
 
 insert into club
@@ -58,10 +57,10 @@ insert into club
     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,
-    dbms_random.value(1,1000) as competition_id, --https://stackoverflow.com/questions/27879874/how-to-get-random-foreign-key-in-sql-developer
+    dbms_random.value(1,10) 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 <=1000
+connect by level <=10
 ;
 
 -- attempt at getting random id from competition: (SELECT id FROM competition SAMPLE(1) WHERE rownum = 1)
@@ -77,23 +76,23 @@ insert into stadium
     DBMS_RANDOM.value(0,200) as ticket_price,
     level as club_id
 from dual
-connect by level <=1000
+connect by level <=10
 ;
 
---insert into match
---    select 
---        level +(select nvl(max(id),0) from match) as id,
---        DBMS_RANDOM.value(0,100) as score,
---        DBMS_RANDOM.value(1,5) as rating,
---        DBMS_RANDOM.value(0, 40000) as attendance,
---        dbms_random.string('A', 6) as weather,
---        DBMS_RANDOM.value(0,120) as duration,
---        TODOTODOTODOTODO as match.date,
---        dbms_random.string('A', 6) as referee_name,
---        level as competition_id
---    from dual
---connect by level <=1000
---;
+insert into match
+    select 
+        level +(select nvl(max(id),0) from match) as id,
+        DBMS_RANDOM.value(0,100) as score,
+        DBMS_RANDOM.value(1,5) as rating,
+        DBMS_RANDOM.value(0, 40000) as attendance,
+        dbms_random.string('A', 6) as weather,
+        DBMS_RANDOM.value(0,120) as duration,
+        To_date(TRUNC(DBMS_RANDOM.VALUE(TO_CHAR(DATE '1950-01-01','J') ,TO_CHAR(DATE '2001-12-31','J'))), 'J') as date2,
+        dbms_random.string('A', 6) as referee_name,
+        level as competition_id
+    from dual
+connect by level <=10
+;
 
 
 insert into player 
@@ -107,31 +106,25 @@ insert into player
         DBMS_RANDOM.value(15, 50) as age,
         DBMS_RANDOM.value(15, 50) as wages,
         DBMS_RANDOM.value(0, 1000000000) as transfer_value,
-        dbms_random.value(1,1000) as club_id
+        dbms_random.value(1,loops) as club_id
     from dual 
-connect by level <=1000
+connect by level <=loops
 ;
 
---insert into takes_part_in 
---    select 
---        level as club_id,
---        level as match_id
---    from dual 
---connect by level <=1000
---;
+insert into takes_part_in 
+    select 
+        dbms_random.value(1,loops) as club_id,
+        dbms_random.value(1,loops) as match_id
+    from dual 
+connect by level <=loops
+;
 
 insert into takes_place_in 
     select 
-        dbms_random.value(1,1000) as stadium_id,
-        dbms_random.value(1,1000) as competition_id
+        dbms_random.value(1,loops) as stadium_id,
+        dbms_random.value(1,loops) as competition_id
     from dual 
-connect by level <=1000
+connect by level <=loops
 ;
 
-alter table manager
-    ENABLE constraint manager_club_fk;
-
-alter table club
-    ENABLE constraint club_manager_fk;
-alter table club
-    ENABLE constraint club_competition_fk;
+end;