oracle 查询当前正在执行的事务

    SELECT s.sid,
          s.serial#,
          s.event,
          a.sql_text,
          a.sql_fulltext,
          s.username,
          s.status,
          s.machine,
          s.terminal,
          s.program,
          a.executions,
          s.sql_id,
          p.spid,
          a.direct_writes
     FROM (SELECT * FROM v$session WHERE status = 'ACTIVE') s
     LEFT JOIN v$sqlarea a
       ON s.sql_id = a.sql_id
    INNER JOIN v$process p
       ON s.paddr = p.addr