Oracle常用脚本——监控数据库中的活跃用户及其运行

[sql] 
set linesize 120 pagesize 66  
col c1 for a9  
col c1 heading "OS User"  
col c2 for a9  
col c2 heading "Oracle User"  
col b1 for a9  
col b1 heading "Unix PID"  
col b2 for 9999 justify left  
col b2 heading "SID"  
col b3 for 99999 justify left  
col b3 heading "SERIAL#"  
col sql_text for a35  
col event  for a30  
break on b1 nodup on c1 nodup on c2 nodup on b2 nodup on b3 skip 3  
select c.spid     b1,  
       b.osuser   c1,  
       b.username c2,  
       b.sid      b2,  
       b.serial#  b3,  
       b.event,  
       a.sql_text  
  from v$sqltext a, v$session b, v$process c  
 where a.address = b.sql_address  
      --   and b.status     = 'ACTIVE' /* YOU CAN CHOOSE THIS OPTION ONLY TO SEE  
      --                                  ACTVE TRANSACTION ON THAT MOMENT */  
   and b.paddr = c.addr  
   and a.hash_value = b.sql_hash_value  
 order by c.spid, a.hash_value, a.piece  
/               
  
REM TOP SESSION  
  
with sessions as  
 (select /*+ materialize */  
   sess.inst_id,  
   sess.sid,  
   sess.serial#,  
   sess.username,  
   sess.module,  
   sess.program,  
   stat.value cpu_used_by_this_session,  
   i.physical_reads,  
   i.block_gets,  
   sess.command,  
   sess.status,  
   sess.lockwait,  
   decode(sess.sql_hash_value, 0, sess.prev_hash_value, sess.sql_hash_value) sql_hash_value,  
   decode(sess.sql_address, '00', sess.prev_sql_addr, sess.sql_address) sql_address  
    from gv$sesstat stat, gv$session sess, gv$sess_io i  
   where stat.statistic# =  
         (select statistic#  
            from v$statname  
           where name = 'CPU used by this session')  
     and stat.sid = sess.sid  
     and stat.inst_id = sess.inst_id  
     and (stat.value > 100 or i.physical_reads > 100 or i.block_gets > 100)  
     and sess.username is not null  
     and i.sid = sess.sid  
     and i.inst_id = sess.inst_id),  
sqlarea as  
 (select inst_id, sql_fulltext sql_text, hash_value, address from gv$sqlarea)  
select *  
  from sessions, sqlarea  
 where sessions.inst_id = sqlarea.inst_id and sessions.sql_hash_value = sqlarea.hash_value and sessions.sql_address = sqlarea.address  
 order by cpu_used_by_this_session desc