SQL> conn test/test@db1.sphaera197;
Connected to Oracle Database 10g Enterprise Edition Release  10 . 1 . 0 . 5 . 0  
Connected as test

SQL> create table data as select rownum id, rownum data from dual connect by level <=  10 ;

Table created

SQL> alter table data add primary key (id);

Table altered

SQL> exec dbms_wm.enableversioning (table_name => 'data', hist => 'VIEW_WO_OVERWRITE');

PL/SQL procedure successfully completed

SQL> select * from data;

        ID       DATA
---------- ----------
          1            1 
          2            2 
          3            3 
          4            4 
          5            5 
          6            6 
          7            7 
          8            8 
          9            9 
         10           10 

 10  rows selected

SQL> update data set data =  2  * data where mod (id,  2 ) =  0 ;

 5  rows updated

SQL> update data set data =  3  * data where mod (id,  3 ) =  0 ;

 3  rows updated

SQL> select * from data;

        ID       DATA
---------- ----------
          1            1 
          5            5 
          7            7 
          2            4 
          4            8 
          8           16 
         10           20 
          3            9 
          9           27 
          6           36 

 10  rows selected

SQL> select * from data_hist where id =  6 ;

        ID       DATA WM_WORKSPACE                                                WM_VERSION WM_USERNAME                                                                      WM_OPTYPE WM_CREATETIME                                     WM_RETIRETIME
---------- ---------- ------------------------------ --------------------------------------- -------------------------------------------------------------------------------- --------- ------------------------------------------------- -------------------------------------------------
          6            6  LIVE                                                                  0  TEST                                                                             I          04 -OCT- 07   12 . 26 . 20 . 203000  PM + 04 : 00                 04 -OCT- 07   12 . 26 . 48 . 218000  PM + 04 : 00 
          6           12  LIVE                                                                  0  TEST                                                                             U          04 -OCT- 07   12 . 26 . 48 . 218000  PM + 04 : 00                 04 -OCT- 07   12 . 27 . 02 . 703000  PM + 04 : 00 
          6           36  LIVE                                                                  0  TEST                                                                             U          04 -OCT- 07   12 . 27 . 02 . 703000  PM + 04 : 00