查找正在运行或上一次执行的sql

SQL> set linesize 200
SQL> set pagesize 200
SQL> select * from v$mystat where rownum<2;

       SID STATISTIC#	   VALUE
---------- ---------- ----------
      1175	    0	       0
	  
	  
SQL> select * from (select * from TLYH order by owner) where rownum<20;
		 
		 
		 
正在执行SQL:

SQL> select sid,
                serial#,
                username,
                sql_hash_value,
                sql_address,
                prev_hash_value,
                sql_hash_value
           from v$session
          where sid = 1175  2    3    4    5    6    7    8    9  ;

       SID    SERIAL# USERNAME			     SQL_HASH_VALUE SQL_ADDRESS      PREV_HASH_VALUE SQL_HASH_VALUE
---------- ---------- ------------------------------ -------------- ---------------- --------------- --------------
      1175	31583 VXSPACE				 2226292732 000000007E67DF50	  3237839783	 2226292732
	  
	  
执行完后；

SQL>   select sid,
                serial#,
                username,
                sql_hash_value,
                sql_address,
                prev_hash_value,
                prev_sql_addr
           from v$session
          where sid = 1175  2    3    4    5    6    7    8    9  ;

       SID    SERIAL# USERNAME			     SQL_HASH_VALUE SQL_ADDRESS      PREV_HASH_VALUE PREV_SQL_ADDR
---------- ---------- ------------------------------ -------------- ---------------- --------------- ----------------
      1175	31583 VXSPACE					  0 00			  2226292732 000000007E67DF50
	  
	  
SQL> select sql_text
  from v$sqlarea
 where (address, hash_value) in
       (select /*+unnest*/
         DECODE(sql_hash_value, 0, prev_sql_addr, sql_address),
         DECODE(sql_hash_value, 0, prev_hash_value, sql_hash_value)
          from v$session
         where sid = 1175)  2    3    4    5    6    7    8  ;

SQL_TEXT
--------------------------------------------------------------------------------
select * from (select * from TLYH order by owner) where rownum<20

再次运行SQL

SQL> /

SQL_TEXT
--------------------------------------------------------------------------------
select 'aaa' from dual