查询Oracle正在执行和执行过的SQL语句

时间:2021-03-12 04:33:10
---正在执行的

  select a.username, a.sid,b.SQL_TEXT, b.SQL_FULLTEXT

  from v$session a, v$sqlarea b

  where a.sql_address = b.address

  ---执行过的

  select b.SQL_TEXT,b.FIRST_LOAD_TIME,b.SQL_FULLTEXT

  from v$sqlarea b

  where b.FIRST_LOAD_TIME between '2009-10-15/09:24:47' and

  '2009-10-15/09:24:47' order by b.FIRST_LOAD_TIME

  (此方法好处可以查看某一时间段执行过的sql,并且 SQL_FULLTEXT 包含了完整的 sql 语句)

  其他

  select OSUSER,PROGRAM,USERNAME,SCHEMANAME,B.Cpu_Time,STATUS,B.SQL_TEXT

  from V$SESSION A LEFT JOIN V$SQL B ON A.SQL_ADDRESS=B.ADDRESS AND A.SQL_HASH_VALUE=B.HASH_VALUE order by b.cpu_time desc

  select address, sql_text, piece

  from v$session, v$sqltext

  where address = sql_address

  -- and machine = < you machine name >

  order by address, piece

  查找前十条性能差的sql.

  SELECT * FROM (select PARSING_USER_ID,EXECUTIONS,SORTS,

  COMMAND_TYPE,DISK_READS,sql_text FROM v$sqlarea

  order BY disk_reads DESC )where ROWNUM<10 ;

  查看占io较大的正在运行的session

  SELECT se.sid,se.serial#,pr.SPID,se.username,se.status,

  se.terminal,se.program,se.MODULE,、se.sql_address,st.event,st.

  p1text,si.physical_reads,

  si.block_changes FROM v$session se,v$session_wait st,

  v$sess_io si,v$process pr WHERE st.sid=se.sid AND st.

  sid=si.sid AND se.PADDR=pr.ADDR AND se.sid>6 AND st.

  wait_time=0 AND st.event NOT LIKE '%SQL%' ORDER BY physical_reads DESC



select t2.username,t2.sid,t2.serial#,t2.logon_time 
    from v$locked_object t1,v$session t2 
    where t1.session_id=t2.sid order by t2.sid,t2.logon_time;






select sql_text from v$session a,v$sqltext_with_newlines b
  where DECODE(a.sql_hash_value, 0, prev_hash_value, sql_hash_value)=b.hash_value
  and a.sid=112 order by piece




alter system kill session'107,38471'