The concept of SCAN (Single Client Access Name) is introduced in the Oracle 11g RAC cluster, that is, the Single Client Access Name of the cluster. SCAN provides a single host name for the client to access the Oracle database running in the cluster. If you add or delete nodes in a cluster, you do not need to change the TNS configuration of the client that uses SCAN. No matter which nodes are contained in the cluster, SCAN resources and their associate
, Oracle. All rights reserved.Connect:Oracle Database 11g Enterprise Edition Release 11.1.0.6.0-64bit ProductionWith the Partitioning, Real Application Clusters, OLAP, Data MiningAnd Real Application Testing optionsSQL> shutdown the immediate database has been disabled. The database has been detached.The ORACLE routine has been disabled.SQL> startupThe ORACLE routine has been started.Total System Global Area 1.7108E + 10 bytesFixed Size 2101632 bytesV
The concept of SCAN (Single Client Access Name) is introduced in the Oracle 11g RAC cluster, that is, the Single Client Access Name of the cluster. SCAN provides a single host name for the client to access the Oracle database running in the cluster. If you add or delete nodes in a cluster, you do not need to change the TNS configuration of the client that uses SCAN. No matter which nodes are contained in the cluster, SCAN resources and their associate
64-bit Windows 8/7 32-bit PLSQL connection 64-bit Oracle 11g, plsql11g64-bit Windows 8/7 32-bit PL/SQL connection 64-bit Oracle 11gNote: Oracle's oci. dll is 64-bit after installation, while 32-bit application PL/SQL Developer cannot loadSolutionStep 1: Download the Instant Client for Microsoft Windows (32-bit) package address: http://www.oracle.com/technetwork/topics/winsoft-085727.htmlStep 2: Decompress the fileStep 3: configure system environment v
In Oracle versions earlier than 11g, if you want to set the table to read-only, you can grant the SELECT object permission to these users, but the table owner still reads and writes the table. Oracle 11g allows the TABLE to be marked as read-only through the alter table command.
You can use the following command to set the read and write permissions of a table:
Alter table table_name read only;
Alter table
How to SetOracle11gImport backup10g
11g Export Statement: expdp userid ='Facial/Facial@OrclAs sysdba 'schemas = facial directory = DATA_PUMP_DIRdumpfile = aa. dmp logfile = aa. log version = 10.2.0.1.0
The red text is rewritten as needed. For example, my usersFacialThe password isFacial, Database sid isOrclThe username to be exported by schemas isFacialTo import it to the Oracle database of version 10.2.0.1.0. Aa. dmp and aa. log will be generated in
Redhat 6.2 installation of the Oracle 11g client and Analysis of problems encountered, oracle11gOracle 11.2.0.1.0 client (32 bit) was installed on Redhat6.2 (64 bit) yesterday. The following are some problems encountered during installation and the handling process records.First, extract the installation package and generate a client directory. When runInstaller is run, an error is reported. The error is as follows:[Oracle @ Ptyjkweb oracle] $ ls-ltot
Notes for installing Oracle 11g RAC
This article is only used to record some issues that occur during the installation of Oracle RAC at ordinary times. If you encounter minor issues, we will also add them.1. HAIP hosts file dual-inline Nic configuration example:
# Vi/etc/hosts127.0.0.1 localhost. localdomain localhost192.168.0.6 db1192.168.0.7 db2192.168.0.8 db1-vip192.168.0.9 db2-vip10.10.10.10 db1-priv120.20.000010 db1-priv210.10.10.20 db2-priv1Mega
Oracle 11g R2 rac rman backup script example
1. Switch RAC to archive Mode
1. Modify the archive mode of the database. Generally, archive is configured and the flash back area is used when RAC is installed. you can skip the steps below if you have configured archive.
SQL> alter system set cluster_database = false scope = spfile sid = '*';
2. Shut down all instances (shutdown on both sides)
SQL> shutdown immediate
Or directly close all instances.$ Srvc
Oracle lab environment setup (Windows + Oracle 11g)
I. systems and software
Windows 7 + Oracle 11g
2. Prepare the installation environment
Prepare for ORACLE Installation
1. Delete Environment Variables
D: \ oracle \ product \ 11.2.0 \ dbhome_1 \ bin \
Note: Only some oracle environment variables are deleted. Others must be retained.
2. Clear the Registry
A. SOFTWARE Item: HKEY_LOCAL_MACHINE \ SOFTWARE \ O
Permission handling for installing Oracle 11g OS in Win7 64bit
In general, we choose to install Oracle databases in traditional server operating systems such as Linux and AIX. Even in Windows, server versions such as 2008 and 2012 are used as the installation media. In Windows 7, it is generally not recommended to install the Oracle server version.
So for friends who need to study and test Oracle in Windows 7, virtual machine + Windows client is a goo
Oracle 11g R2 (GI) Startup Process
11gR2 cluster management software (GI) startup sequence and diagnostic methods
In this article, we will introduce the Starting sequence of 11gR2GI and introduce common problems and corresponding solutions during GI startup.
Basically, we can divide the GI startup process into three phases: ohasd, cluster building, and resource startup.
First, the ohasd stage.
1. scripts in the/etc/inittab File
H1: 35: respawn:/etc/in
Install Oracle 11g in RedHat Linux 6.0
Steps for installing Oracle in Linux
Preparations before installation
Transmit oracle to the root directory through ssh (this installation is under VMware)
Installation Package for Linux for Oracle 11g
RedHat 6.0 Virtual Machine
1. Create users and groups
Groupadd oinstall
Groupadd dba
Useradd-goinstall-G dba-m oracle
Passwd oracle
(Oracle user login is used below)
2.
Oracle 11g change log group size
Oracle 11g change log group size
1. Create a New log Group
1. alter database add logfile group 4 ('/u01/app/oracle/oradata/jian/redo04.log') size 1024 k;
2. alter database add logfile group 5 ('/u01/app/oracle/oradata/jian/redo05.log') size 1024 k;
2. Switch the current log to a new log group.
1. alter system switch logfile;
2. alter system switch logfile;
3. Delete the old
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When Will Oracle 11G be launched?
With the launch of Oracle openworld over the past few days, more and more new features of oracle11g have been presented.
Previously, I once introduced that oracle11g may be launched at this conference in May October. At that time, we can see informati
Oracle 11g Data guard based on the same host
1. Restrictions on logical standby DatabasesThere are many restrictions on the logical standby database. For example, some special data types such as object, nested table, rowid, object type, and custom data type are not supported, andIt supports segment compression and does not support a lot of things such as some specific DDL statements. For more information, see Oracle Data guard concepts and administr
Some ASP. NET + Oracle 11g learning and writing essays. This seriesArticleIt can help. net that is unfamiliar with Oracle and is not even used at all.ProgramStaff, can get started and develop applications in the shortest time, to avoid having to spend as much time as I did for the support team to flip books, Query files, create code for implementation and test, ask questions, and reply. This post includes Oracle's "Null String = NULL" feature, Oracle'
This morning, I completed the task I proposed for myself yesterday. I finally finished reading PDF files online. At the same time, I solved new problems and added the hand-shaped cursor to control translation. The modification of batch video conversion was not done, mainly because I attended an introduction lecture on Oracle Spatial 11g in the afternoon.
Oracle Spatial 11g lecture is a technical engineer
Operating System: Windows Server 2003 sp2
Memory: 2 GB
1. Download the Oracle 11g address
Http://download.oracle.com/otn/nt/oracle11g/win32_11gR1_database_1013.zip
Basic installation
After decompression, you can install it. Run Setup. EXE and run it in DOS to enter Oracle 11g.
Oracle Configuration Manager allows you to associate configuration information with a Metalink account. You can choose to enable it
There are two main ways to offload Oracle 11g: One is to use the Oracle Universal Installer management tool, which is simple in wizard mode. Here is the second way to unload the database-----Use the "Deinstall.bat" batch file to unload the database, the following steps:1, first open the system's "Component Services" window, in which all the Oracle background services to stop the software.2. Then run the batch file "D:\app\Administrator\product\11.2.0\
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