https://blog.youkuaiyun.com/guhui2509zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/guhui2509/article/details/79824410https://blog.youkuaiyun.com/guhui2509/article/details/79824410guhui2509Thu, 05 Apr 2018 10:22:47 +0800https://blog.youkuaiyun.com/guhui2509/article/details/68489241https://blog.youkuaiyun.com/guhui2509/article/details/68489241guhui2509Thu, 30 Mar 2017 16:21:13 +0800https://blog.youkuaiyun.com/guhui2509/article/details/53363040https://blog.youkuaiyun.com/guhui2509/article/details/53363040guhui2509Sun, 27 Nov 2016 09:14:10 +0800https://blog.youkuaiyun.com/guhui2509/article/details/52647817https://blog.youkuaiyun.com/guhui2509/article/details/52647817guhui2509Sat, 24 Sep 2016 07:56:31 +0800https://blog.youkuaiyun.com/guhui2509/article/details/52492569https://blog.youkuaiyun.com/guhui2509/article/details/52492569guhui2509Sat, 10 Sep 2016 08:24:02 +0800https://blog.youkuaiyun.com/guhui2509/article/details/52490524https://blog.youkuaiyun.com/guhui2509/article/details/52490524guhui2509Fri, 09 Sep 2016 21:05:31 +0800https://blog.youkuaiyun.com/guhui2509/article/details/52424421https://blog.youkuaiyun.com/guhui2509/article/details/52424421guhui2509Sat, 03 Sep 2016 17:35:07 +0800https://blog.youkuaiyun.com/guhui2509/article/details/52099993https://blog.youkuaiyun.com/guhui2509/article/details/52099993guhui2509Wed, 03 Aug 2016 07:13:12 +0800https://blog.youkuaiyun.com/guhui2509/article/details/52049522https://blog.youkuaiyun.com/guhui2509/article/details/52049522guhui2509Wed, 27 Jul 2016 21:17:41 +0800https://blog.youkuaiyun.com/guhui2509/article/details/51871105https://blog.youkuaiyun.com/guhui2509/article/details/51871105guhui2509Sun, 10 Jul 2016 13:42:42 +0800 1.log查看调试信息   这里警告信息:Unrecognised tag:’mirror’, 好像配置的镜像有关系。去除镜像配置再试一下，这个警告信息没有再出现，]]>https://blog.youkuaiyun.com/guhui2509/article/details/41675319https://blog.youkuaiyun.com/guhui2509/article/details/41675319guhui2509Tue, 02 Dec 2014 10:29:06 +0800https://blog.youkuaiyun.com/guhui2509/article/details/41574793https://blog.youkuaiyun.com/guhui2509/article/details/41574793guhui2509Fri, 28 Nov 2014 08:37:24 +0800https://blog.youkuaiyun.com/guhui2509/article/details/41346025https://blog.youkuaiyun.com/guhui2509/article/details/41346025guhui2509Fri, 21 Nov 2014 11:13:09 +0800https://blog.youkuaiyun.com/guhui2509/article/details/40900353https://blog.youkuaiyun.com/guhui2509/article/details/40900353guhui2509Fri, 07 Nov 2014 21:53:00 +0800https://blog.youkuaiyun.com/guhui2509/article/details/37754251https://blog.youkuaiyun.com/guhui2509/article/details/37754251guhui2509Mon, 14 Jul 2014 07:06:52 +0800https://blog.youkuaiyun.com/guhui2509/article/details/7628744https://blog.youkuaiyun.com/guhui2509/article/details/7628744guhui2509Sun, 03 Jun 2012 21:00:40 +0800 alter system set undo_tablespace=undo2; System altered. SQL> update scott.emp set sal=sal+1; 14 rows updated. SQL> select XIDUSN from v$transaction;     XIDUSN ----------  14]]>https://blog.youkuaiyun.com/guhui2509/article/details/7628731https://blog.youkuaiyun.com/guhui2509/article/details/7628731guhui2509Sun, 03 Jun 2012 20:54:56 +0800 create undo tablespace undo2 datafile '/u01/app/oracle/oradata/orcl/undo2.02.dbf' size 2m; Tablespace created. SQL> alter system set undo_tablespace=undo2;]]>https://blog.youkuaiyun.com/guhui2509/article/details/7628709https://blog.youkuaiyun.com/guhui2509/article/details/7628709guhui2509Sun, 03 Jun 2012 20:46:12 +0800https://blog.youkuaiyun.com/guhui2509/article/details/7628701https://blog.youkuaiyun.com/guhui2509/article/details/7628701guhui2509Sun, 03 Jun 2012 20:41:49 +0800https://blog.youkuaiyun.com/guhui2509/article/details/7628634https://blog.youkuaiyun.com/guhui2509/article/details/7628634guhui2509Sun, 03 Jun 2012 20:16:40 +0800 alter table t1 deallocate unused; Table altered.   查询表的使用范围 select segment_name,extent_id,file_id,block_id,blocks from dba_extents where owner='SCOTT' and segment_name='T1';]]>