查询当前Oracle执行那些SQL

SQL> col username for a30;                          
SQL> col machine for a30;
SQL> set linesize 160;
SQL> select username,machine,sid,sql_id,status,prev_sql_id,logon_time from v$session where username='SYSTEM';

USERNAME                       MACHINE                               SID SQL_ID        STATUS   PREV_SQL_ID   LOGON_TIM
------------------------------ ------------------------------ ---------- ------------- -------- ------------- ---------
SYSTEM                         WORKGROUP\SIMOS                       519               INACTIVE 8f1sjvfxuup9w 21-SEP-11
SYSTEM                         dm01db02.xjods.com                    765 cmn1wnr79nxsu INACTIVE cmn1wnr79nxsu 21-SEP-11
SYSTEM                         WORKGROUP\SIMOS                      1390               INACTIVE 9m7787camwh4m 21-SEP-11
SYSTEM                         dm01db01.xjods.com                   2146               ACTIVE   7z2rh3s0t3zy2 21-SEP-11

SQL> select sql_id,sql_fulltext from v$sql where sql_id='7z2rh3s0t3zy2';

SQL_ID        SQL_FULLTEXT
------------- --------------------------------------------------------------------------------
7z2rh3s0t3zy2 begin
              for i in 1..99999999 loop
              execute immediate 'select * from dba_objects';