Oracle数据库和监听随LINUX系统启动1.确保“/etc/oratab”文件内容的正确性有则修改,无则创建“/etc/oratab”文件。该文件的功能是控制Oracle的启动(dbstart)和关闭脚本(dbshut)是否可用。# vi /etc/oratabHS2008(实例名):/oracle/app/oracle/product/10.2.0/db_1:Y只有当尾部为“Y”...【阅读全文】
show parameter db_recovery_file_dest_size;select sum(a.BLOCK_SIZE*a.BLOCKS)/1024/1024 from v$archived_log a where a.DELETED='NO';SELECT SUM(BLOCKS *BLOCK_SIZE )/1024/1024 AS "Size(M)",TRUNC(completion_time) FROM v$archived_logGROUP BY TRUNC(completion_time)删除归...【阅读全文】
1:使用vmstat和top查看系统cpu,io,内存使用情况2:查看当前状态下存在的等待事件select sid,event,p1,p2,seconds_in_wait from v$session_wait where event not like '%SQL%' and event not like 'rdbms%' and event not like '%message%' and event not like '%Streams AQ%' AND EVENT NOT LIKE '%slave%' order by e...【阅读全文】