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oracle可以监控到软件执行的sql吗,求大神

答案:1  悬赏:50  手机版
解决时间 2021-12-02 12:46
  • 提问者网友:送舟行
  • 2021-12-01 19:47
oracle可以监控到软件执行的sql吗,求大神
最佳答案
  • 五星知识达人网友:長槍戰八方
  • 2021-12-01 20:34
---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
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