Oracle Study Note : Tablespace and Data Files

【Oracle Study Note : Tablespace and Data Files】的更多相关文章

Oracle Study Note : Tablespace and Data Files

1.how to create a tablespace that employs the most common features create tablespace tb_name #create bigfile tablespace tb_name datafile ‘/u01/dbfile/orcl/tb_name.dbf’ size 100m autoextend on maxsize 1000m #don’t recommend use the AUTOEXTEND feature.…

Oracle Study Note : Users and Basic Security

1. view the default user account SQL> select username from dba_users; 2. lock all users and set their password to expired SQL> select ‘alter user ‘|| username || ‘ password expire account lock;’ from dba_users; 3. A locked user can only be accessed…

Oracle客户端工具出现“Cannot access NLS data files or invalid environment specified”错误的解决办法

Oracle客户端工具出现"Cannot access NLS data files or invalid environment specified"错误的解决办法方法一:参考,http://blog.csdn.net/longyuhome/article/details/7977433 方法二:此外也可以在环境变量(我的电脑-->右键属性-->高级系统设置-->环境变量-->系统变量)中添加NLS_LANG=SIMPLIFIED CHINESE_CHINA…

Oracle Study之--Oracle 单实例11.2.0.1.0升级到11.2.0.3.0

Oracle Study之--Oracle 单实例11.2.0.1.0升级到11.2.0.3.0 系统环境: 操作系统:RedHat EL6(64位) Oracle: Oracle 11gR2 Oracle 11.2.0.1 单实例升级到11.2.0.3 Oracle 升级的步骤都差点儿相同,先升级Oracle software,然后升级Oracle instance. Oracle 11.2.0.2的patchset No 是:10098816. 关于该Patchset 的下载地址,參考…

do export method of oracle all database tables with dmp files.

usually we need to export the database tables to backup and others use. So we must know what to do export those data . just exmple when I export the oracle all database tables with dmp files. the method is following : #exp oracle_userName/""&quo…

ORA-12705: Cannot access NLS data files or invalid environment specified

ASM实例无法启动 [grid@data ~]$ sqlplus / as sysasm SQL*Plus: Release 11.2.0.4.0 Production on Fri Sep 11 09:00:34 2015 Copyright (c) 1982, 2013, Oracle. All rights reserved. ERROR: ORA-12705: Cannot access NLS data files or invalid environment specified 无法…

Oracle 11gR2 Database和Active Data Guard迁移案例

客户一套核心系统由一台Oracle Database 11.2.0.3.4单机和一台Active Data Guard组成,分别运行在两台PC服务器上,Oracle Linux 5.8 x86_64bit操作系统,两台服务器都未接存储设备:由于原有设备老旧等原因,现在要将这套Oracle数据库系统(主库和ADG库)迁移到新采购的两台服务器上,不跨版本,也不跨平台.为了最小化停机时间,我们先用目前最新的RMAN 0级备份在两台新服务器上restore database,之后将到目前为止的所有1级备…