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oracle 查询最近执行过的 SQL语句

oracle 查询最近执行过的 sql语句

select sql_text,last_load_time from v$sql order by last_load_time desc;   SELECT  sql_text,last_load_time FROM v$sql WHERE last_load_time IS NOT NULL and sql_text like 'select%' ORDER BY last_load_time DESC;   

SELECT  sql_text,last_load_time FROM v$sql WHERE last_load_time IS NOT NULL and sql_text like 'update%' ORDER BY last_load_time DESC;   SELECT  sql_text,last_load_time FROM v$sql WHERE last_load_time IS NOT NULL and last_load_time like' 14-06-09%' ORDER BY last_load_time DESC;       

—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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    所有的伟大,都源于一个勇敢的开始!
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