查看表空间剩余空间的详细信息
- PL/SQL script. to determine how much contiguous free space is available for each tablespace in the database. Oracle will acquire space by searching first for exact fit, then ne...
nmon 命令
nmon 命令用途以交互方式显示本地系统统计信息并以记录方式记录系统统计信息。语法交互方式:nmon [ -h ]nmon [ -s < seconds > ] [ -c < count > ] [...
使用 vmstat 命令确定内存使用情况
vmstat 命令总结了系统中所有进程使用的总活动虚拟内存,以及空闲列表上实内存页帧的数量。活动的虚拟内存定义为虚拟内存中实际可以得到的工作段页面的数量。这个数字可能大于机器中的实际页帧数,因为一些活动...
解决crs_stat -t看到资源为UNKNOWN的情况
Common Causes for CRS Resources in UNKNOWN State [ID 860441.1]Applies to:Oracle Server - Enterprise Edition - Version: 10.2.0.1 to 11.1.0.7 - Release: 10.2 to 11.1Information in this document applies ...
How to Deinstall Oracle Clusterware Home Manually
In this Document Goal SolutionApplies to:Oracle Server - Enterprise Edition - Version: 10.2.0.1 and later [Release: 10.2 and later ]Information in this document applies to any platf...
Drop Table Fails With ORA-600 [15264]
Drop Table Fails With ORA-600 [15264] [ID 338953.1]修改时间 10-APR-2012 类型 PROBLEM 状态 PUBLISHEDIn this DocumentSymptomsChangesCauseSolutionReferencesApplies to:Oracle Server - Enterprise Edition ...
oracle ASM参数ASM_POWER_LIMIT以及其它一些参数详解
ASM_POWER_LIMIT 参数 这个参数 ASM_POWER_LIMIT 参数控制 ASM 后台进程 ARBx 的数量。ARBx 进程用来进行 ASM 磁盘数据重新分布打散。ASM_POWER_LIMIT 取值 从 0 到 11(据说从 10gR2 开始可以设置为 0,设置为0是为...
一次ASM磁盘空间假装耗尽 ORA-15041: DISKGROUP SPACE EXHAUSTED
给ASM磁盘新增一块盘进去,ASM_DISK2剩余空间四百多G:SQL> select * from v$asm_diskgroup;GROUP_NUMBER NAME &...
oracle数据库不完全恢复
一个表的数据被删掉,不清楚具体时间,得恢复到几天前的数据,准备恢复26号的全备。1、用spfile启动数据库到nomount状态。2、恢复一个全备之后不久的控制文件出来,启动到mount状态3、restore database4、recover da...
dbms_logmnr 在线挖归档 恢复数据
需求确认:A.删除数据的表:USERNAME.TABLE_NAME B.执行删除操作的用户:USERNAMEC.执行操作的时间范围: 4月1日10:11左右操作步骤:1.查询指定时间点上的归档select thread#,SEQUE...
ORA-01555
ORA-01555错误的基本步骤,希望对大家有所帮助0. 开始先看看rollback segment是否有分配不当的问题,例如某一个rollback segment(报错的那个)太小。如果有,先recreate rollback segment以保持所有的回滚段大小一...
ORA-27102: out of memory Linux-X86_64 Error: 28: No space left on device
一个库需要调整内存参数alter system set pga_aggregate_target=2G scope=spfile;alter system set sga_max_size=10G scope=spfile;alter system set sga_target=10G scope=spfile;调整完之后,重启SQL> sta...
使用在线重定义建分区表
Applies to:Oracle Server - Enterprise Edition - Version 9.2.0.4 and laterInformation in this document applies to any platform."Checked for relevance on 29-Sep-2010"GoalThe purpose of this document is ...
HP-UNIX的nfs配置
修改/etc/rc.config.d/nfsconf文件,修改NFS_SERVER=1 START_MOUNTD=1#vi /etc/rc.config.d/nfsconf运行nfs.server脚本,启动NFS服务#/sbin/init.d/nfs.server start修改/etc/exports文件,添加需要通过NFS服务共享...
Installing and Using Standby Statspack in 11g
Applies to:Oracle Server - Enterprise Edition - Version: 11.1.0.6 to 11.2.0.2 - Release: 11.1 to 11.2Information in this document applies to any platform.PurposeStatspack/AWR cannot be executed on a s...
Simplified Approach to Resolve ORA-4031
After writing few Case studies and other related articles, I will be sharing my approach for Resolving ORA -4031 error. First we will see what ORA-4031 actually means.04031, 00000, "unable to allocate...
Oracle的home目录空间占用异常处理
OS:HP-UX B.11.31 U ia64Oracle:10.2.0.4Oracle的home目录空间占用异常处理,情况如下:/export/home/oracle 空间占用90%了du出来的空间是8333060,bdf出来的是18725588bdf结果如下:/dev/v...
Oracle安装,ssh配置
11G Oracle安装介质中自带有ssh配置脚本,配置双机信任关系变的很简单,运行一下脚本就行,如下:在rac1上运行cd /mnt/hgfs/vmsharedir/Oracle11gR2p1linux/grid/sshsetup/./sshUserSetup.sh -user root -hosts ...
Drop tablespace与drop user
drop user sam_gdcz31 cascade;Drop tablespace 有下面两种方式:drop tablespace crm_data including contents and datafiles;drop tablespace crm_data including contents cascade constraints;报错有下面几种:...
ORA-19706: invalid SCN
SQL> create public database link TEST connect to system identified by oracle using 'abmsrv1';Database link created.SQL> select count(*) from dba_users@TEST;select count(*) from dba_users@TEST &n...