Oracle查看执行过的SQL | 您所在的位置:网站首页 › oracle 上一条记录 › Oracle查看执行过的SQL |
Reference: http://blog.csdn.net/xiaoxu0123/article/details/38846685 Reference: http://blog.sina.com.cn/s/blog_4a80a5730101oxnk.html Reference: http://blog.csdn.net/fycghy0803/article/details/16845575 ORACLE中可以通过v$session表查看当前有效的session信息,并且可以通过v$session的sql_id或sql_address通过关联查询v$sql查看当前正在执行的sql语句; 如果想查看session近期执行的sql语句,可以通过v$active_session_history表中的sql_id查看近期历史执行的sql语句,要求数据库的liberary没有被fresh。
SELECT b.sql_text, --content of SQL a.machine, --which machine run this code a.username, a.module, -- the method to run this SQL c.sofar / totalwork * 100, --conplete percent c.elapsed_seconds, --run time c.time_remaining --remain to run time FROM v$session a, v$sqlarea b, v$session_longops c WHERE a.sql_hash_value = b.hash_value(+) AND a.SID = c.SID(+) AND a.serial# = c.serial#(+) --AND a.sid=139
Oracle 最近执行过的sql语句: SELECT sql_text, last_load_time FROM v$sql WHERE last_load_time IS NOT NULL ORDER BY last_load_time DESC 其它, 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; 监控concurrent 正在执行的sql SELECT a.sid, a.serial#, b.sql_text FROM v$session a, v$sqltext b WHERE a.sql_address = b.address --AND a.sid = ORDER BY b.piece 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 ROWNUM6 AND st. wait_time=0 AND st.event NOT LIKE '%SQL%' ORDER BY physical_reads DESC 背景,突然发现数据库中数据表内容大量减少,于是想出查下oracle的sql执行历史以查看是执行的什么sql来删除的,于是搜到了http://blog.csdn.net/wzy0623/article/details/9388061 , 以sysdba登录 sqlplus / as sysdba; 执行如下sql查看最近3天执行的delete和truncate操作 SELECT c.username, a.program, b.sql_text, b.command_type, a.sample_time FROM dba_hist_active_sess_history a JOIN dba_hist_sqltext b ON a.sql_id = b.sql_id JOIN dba_users c ON a.user_id = c.user_id WHERE a.sample_time BETWEEN SYSDATE - 3 AND SYSDATE AND b.command_type IN (7, 85) ORDER BY a.sample_time DESC; 搜出结果还算有用,虽然都是业务删除,记录下
--查询Oracle正在执行的sql语句及执行该语句的用户 SELECT b.sid oracleID, b.username 登录Oracle用户名, b.serial#, spid 操作系统ID, paddr, sql_text 正在执行的SQL, b.machine 计算机名 FROM v$process a, v$session b, v$sqlarea c WHERE a.addr = b.paddr AND b.sql_hash_value = c.hash_value
--查看正在执行sql的发起者的发放程序 SELECT OSUSER 电脑登录身份, PROGRAM 发起请求的程序, USERNAME 登录系统的用户名, SCHEMANAME, B.Cpu_Time 花费cpu的时间, STATUS, B.SQL_TEXT 执行的sql FROM V$SESSION A LEFT JOIN V$SQL B ON A.SQL_ADDRESS = B.ADDRESS AND A.SQL_HASH_VALUE = B.HASH_VALUE ORDER BY b.cpu_time DESC
--查出oracle当前的被锁对象 SELECT l.session_id sid, s.serial#, l.locked_mode 锁模式, l.oracle_username 登录用户, l.os_user_name 登录机器用户名, s.machine 机器名, s.terminal 终端用户名, o.object_name 被锁对象名, s.logon_time 登录数据库时间 FROM v$locked_object l, all_objects o, v$session s WHERE l.object_id = o.object_id AND l.session_id = s.sid ORDER BY sid, s.serial#;
--kill掉当前的锁对象可以为 alter system kill session 'sid, s.serial#‘; |
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