左右v$datafile和v$tempfile中间file#

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左右v$datafile和v$tempfile中间file#

v$datafile关于存储在文件中的数据视图的信息,v$tempfile查看存储在一个临时文件中的信息. 有两种观点file#现场,首先来看看官方文件的定义: V$DATAFILE This view contains datafile information from the control file. See Also: "V$DATAFILE_HEADER", which displays information from datafile headers Column Dat…

oracle 批量改temp/data/redo file的路径

批量生成修改路径的脚本.select 'alter database rename file ''' || name ||'''' || ' to '''|| substr(name,0,instr(name,'/',-1) -1)|| '_ST' || substr(name,instr(name,'/',-1)) ||''';'from v$datafile; select 'alter database rename file ''' || name ||'''' || ' to '''|…

Step by Step Process of Migrating non-CDBs and PDBs Using ASM for File Storage (Doc ID 1576755.1)

Step by Step Process of Migrating non-CDBs and PDBs Using ASM for File Storage (Doc ID 1576755.1) APPLIES TO: Oracle Database - Enterprise Edition - Version 11.2.0.3 and laterInformation in this document applies to any platform. PURPOSE To assist wit…

临时文件相关的v$tempfile v$sort_usage与V$tempseg_usage

SQL> select username,user,segtype,segfile#,segblk#,extents,segrfno# from v$sort_usage; SEGFILE#代表的是绝对文件号(AFN),对应x$kcctf表中的TFAFN(temp file absolute file number). SQL> select indx,tfnum,tfafn,tfcsz from x$kcctf; TFCSZ 是创建临时文件的块数查看临时文件的绝对文件号 select tf…

使用asmcmdcp命令把datafile从文件系统移动（move）到asm磁盘组中针对11gR2

使用asmcmd cp命令把datafile从文件系统移动(move)到asm磁盘组中--针对11gR2 参考原文:How to Move a Datafile from Filesystem to ASM Using ASMCMD CP Command. (Doc ID 1610615.1) 适用于:Oracle Database - Enterprise Edition - Version 11.2.0.1 to 11.2.0.4 [Release 11.2]Information in…

ORA-00245: control file backup failed; target is likely on a local file system (转载)

环境:DB VERSION: 11.2.0.4.0RAC 2 nodes 问题:邮件显示rman备份失败,查看rman备份日志 Starting Control File and SPFILE Autobackup at 2013-12-30 04:07:02released channel: c1released channel: c2released channel: c3released channel: c4RMAN-00571: ============================…