2026-03-12 20:23:15

my/random_data/STORE_random_01.sql

@@ -0,0 +1,46 @@
+declare
+  id VARCHAR2(40);
+  firstname VARCHAR2(20);
+  lastname VARCHAR2(20);
+  name VARCHAR2(50);
+  birthdate DATE;
+  zip VARCHAR2(5);
+  i NUMBER;
+  rand1 NUMBER;
+  rand2 NUMBER;
+  rand3 NUMBER;
+  max_id_firstname NUMBER;
+  max_id_lastname NUMBER;
+  max_id_city NUMBER;
+begin
+  select max(id) into max_id_firstname from US_FIRSTNAME;
+  select max(id) into max_id_lastname  from US_LASTNAME;
+  select max(id) into max_id_city  from CITY;
+  
+  for i in 1..1000000 loop
+    rand1:=round(dbms_random.value(1,max_id_firstname));
+    rand2:=round(dbms_random.value(1,max_id_lastname));
+    rand3:=round(dbms_random.value(1,max_id_city));
+    SELECT FIRSTNAME into firstname FROM US_FIRSTNAME where ID=rand1;
+    SELECT LASTNAME into lastname FROM US_LASTNAME where ID=rand2;
+    SELECT ZIP into zip FROM CITY where ID=rand3;
+    
+    NAME:=FIRSTNAME ||' '|| LASTNAME;
+
+    SELECT TO_DATE(
+              TRUNC(
+                   DBMS_RANDOM.VALUE(TO_CHAR(DATE '1960-01-01','J')
+                                    ,TO_CHAR(DATE '2011-12-31','J')
+                                    )
+                    ),'J'
+               ) into birthdate FROM DUAL;
+
+    insert into CLIENT(ID,NAME,BIRTHDATE,ZIP) values (i,NAME,BIRTHDATE,ZIP);
+    if mod(i,10000)=0 then
+      commit;
+    end if;
+    end loop;
+  commit;
+end;
+/
+