Oracle RAC 日常基本维护命令
列出配置的所有数据库
[root@node1 ~]# srvctl config database
NOVADB
所有实例和服务的状态
[root@node1 ~]# srvctl status database -d NOVADB
Instance NOVADB1 is running on node node1
Instance NOVADB2 is running on node node2
单个实例的状态
[root@node1 ~]# srvctl status instance -d NOVADB -i NOVADB1
Instance NOVADB1 is running on node node1
在数据库全局命名服务的状态
$ srvctl status service -d orcl -s orcltest
Service orcltest is running on instance(s) orcl2, orcl1
特定节点上节点应用程序的状态
[root@node1 ~]# srvctl status nodeapps -n node1
VIP is running on node: node1
GSD is running on node: node1
Listener is running on node: node1
ONS daemon is running on node: node1
ASM 实例的状态
[root@node1 ~]# srvctl status asm -n node1
ASM instance +ASM1 is running on node node1.
[root@node1 ~]# srvctl status asm -n node2
ASM instance +ASM2 is running on node node2.
显示 RAC 数据库的配置
[root@node1 ~]# srvctl config database -d NOVADB
node1 NOVADB1 /opt/ora10g/product/10.2.0/db_1
node2 NOVADB2 /opt/ora10g/product/10.2.0/db_1
显示指定集群数据库的所有服务
[root@node1 ~]# srvctl config service -d NOVADB
NOVADB PREF: NOVADB1 NOVADB2 AVAIL:
显示节点应用程序的配置 —（VIP、GSD、ONS、监听器）
[root@node1 ~]# srvctl config nodeapps -n node1 -a -g -s -l
VIP exists.: /node1-vip/192.168.150.224/255.255.255.0/eth0
GSD exists.
ONS daemon exists.
Listener exists.
利用srvctl config命令可以看到现有数据库的配置信息：
[root@node1 ~]# srvctl config database -d NOVADB -a
node1 NOVADB1 /opt/ora10g/product/10.2.0/db_1
node2 NOVADB2 /opt/ora10g/product/10.2.0/db_1
DB_NAME: NOVADB
ORACLE_HOME: /opt/ora10g/product/10.2.0/db_1
SPFILE: +RAC_DISK/NOVADB/spfileNOVADB.ora
DOMAIN: null
DB_ROLE: null
START_OPTIONS: null
POLICY: AUTOMATIC
ENABLE FLAG: DB ENABLED
显示 ASM 实例的配置
[root@node1 ~]# srvctl config asm -n node1
+ASM1 /opt/ora10g/product/10.2.0/db_1
[root@node1 ~]# srvctl config asm -n node2
+ASM2 /opt/ora10g/product/10.2.0/db_1
集群中所有正
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oracle表空间操作详解
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7建立表空间
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9CREATE TABLESPACE data01
10DATAFILE '/ora ......
虽然学习Java很久了，自己也连接过一些数据库，比如mysql之类的，如今呢，也学习了一段时间的Oracle，然而呢，今天是我第一次连接Oracle，嘿嘿，应该还不算太迟吧。
今天呢，有点笨拙，大家莫笑！
我这是一个查询例子
首先，� ......
ORA-00604 error occurred at recursive SQL level string
Cause:An error occurred while processing a recursive SQL statement (a statement applying to internal dictionary tables).
Action:If the situation described in the next error on the stack can be corrected, do so; otherwise contact Oracle Custome ......
sql语句如下:
select * from userdb40.numservice where ServiceNumber =88880068
and applytime <= to_date('2009-12-26 10:41:44','yyyy-MM-dd HH24:mi:ss')
select to_date('2007-06-28 19:51:20.0','yyyy-MM-dd HH24:mi:ss') from dual; ......
比较官方的说法
Full
A backup of a datafile that includes every allocated block in the file being backed up. A full backup of a datafile can be an image copy, in which case every data block is backed up. It can also be stored in a backup set, in which case datafile blocks not in use may be skipped, ......
