Create Bigtable_fortest.sql

Bigtable_fortest.sql

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+-- Create Table with same structure as ALL_TABLES from Oracle Dictionary
+-- This one I took from Tom Kyte asktom
+
+create table bigtab
+as
+select rownum id, a.*
+  from all_objects a
+ where 1=0;
+alter table bigtab nologging;
+
+-- Fill 1'000'000 Rows into the Table
+declare
+    l_cnt  number;
+    l_rows number := 1000000;
+begin
+    -- Copy ALL_OBJECTS
+    insert /*+ append */
+    into bigtab
+    select rownum, a.*
+      from all_objects a;
+    l_cnt := sql%rowcount;
+    commit;
+
+    -- Generate Rows
+    while (l_cnt < l_rows)
+    loop
+        insert /*+ APPEND */ into bigtab
+        select rownum+l_cnt,
+               OWNER, OBJECT_NAME, SUBOBJECT_NAME,
+               OBJECT_ID, DATA_OBJECT_ID,
+               OBJECT_TYPE, CREATED, LAST_DDL_TIME,
+               TIMESTAMP, STATUS, TEMPORARY,
+               GENERATED, SECONDARY
+          from bigtab
+         where rownum <= l_rows-l_cnt;
+        l_cnt := l_cnt + sql%rowcount;
+        commit;
+    end loop;
+end;
+/
+
+alter table bigtab add constraint
+bigtab_pk primary key(id);
+
+A Table with Random Data and same Size as ALL_OBJECTS
+CREATE TABLE bigtab (
+   id         NUMBER,
+   weight     NUMBER,
+   adate      DATE
+);
+
+INSERT INTO bigtab (id, weight, adate)
+SELECT MOD(ROWNUM,1000),
+       DBMS_RANDOM.RANDOM,
+       SYSDATE-1000+DBMS_RANDOM.VALUE(0,1000)
+ FROM all_objects
+/
+51502 rows created.
+
+A Table which can be used for Partition Tests
+The ID of the table can be used for Range Partitioning
+
+create table bigtab (
+    id      number(12,6),
+    v1      varchar2(10),
+    padding varchar2(50)
+)
+nologging   -- just to save a bit of time
+/
+
+insert /*+ append ordered full(s1) use_nl(s2) */
+into bigtab
+select
+        3000 + trunc((rownum-1)/500,6),
+        to_char(rownum),
+        rpad('x',50,'x')
+from
+        all_objects s1,      -- you’ll need the privilege
+        all_objects s2
+where
+        rownum <= 1000000
+/
+commit;
+
+        ID V1         PADDING
+---------- ---------- --------------------------------------------------
+      3000 1          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  3000.002 2          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  3000.004 3          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  3000.006 4          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  3000.008 5          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+   3000.01 6          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  3000.012 7          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  3000.014 8          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+  3000.016 9          xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
+
+A Table with Date's which can be used for Partition Tests
+This code is from http://www.oracle-base.com
+
+CREATE TABLE bigtab (
+  id            NUMBER(10),
+  created_date  DATE,
+  lookup_id     NUMBER(10),
+  data          VARCHAR2(50)
+);
+
+DECLARE
+  l_lookup_id    NUMBER(10);
+  l_create_date  DATE;
+BEGIN
+  FOR i IN 1 .. 1000000 LOOP
+    IF MOD(i, 3) = 0 THEN
+      l_create_date := ADD_MONTHS(SYSDATE, -24);
+      l_lookup_id   := 2;
+    ELSIF MOD(i, 2) = 0 THEN
+      l_create_date := ADD_MONTHS(SYSDATE, -12);
+      l_lookup_id   := 1;
+    ELSE
+      l_create_date := SYSDATE;
+      l_lookup_id   := 3;
+    END IF;
+
+    INSERT INTO bigtab (id, created_date, lookup_id, data)
+    VALUES (i, l_create_date, l_lookup_id, 'This is some data for ' || i);
+  END LOOP;
+  COMMIT;
+END;
+/
+
+SQL> select id,to_char(created_date,'DD.MM.YYYY'),
+            lookup_id, data
+       from bigtab where rownum < 10;
+
+        ID TO_CHAR(CR  LOOKUP_ID DATA
+---------- ---------- ---------- -----------------------------
+         1 21.08.2007          3 This is some data for 1
+         2 21.08.2006          1 This is some data for 2
+         3 21.08.2005          2 This is some data for 3
+         4 21.08.2006          1 This is some data for 4
+         5 21.08.2007          3 This is some data for 5
+         6 21.08.2005          2 This is some data for 6
+         7 21.08.2007          3 This is some data for 7
+         8 21.08.2006          1 This is some data for 8
+         9 21.08.2005          2 This is some data for 9