oracle 11g tuning

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Some basic concepts of Oracle 11g RAC (iii)

or ASM. Block devices and bare devices will no longer be supported in Oracle12. Oracle strongly recommends using at least 3 voting disks in a different location. When using ASM to manage voting disks, you need to be aware of the redundancy levels of disk groups and failure groups. Note that all copies of voting disk are in one disk group, and you cannot distribute voting disks across multiple disk groups. When using an externally redundant disk group

"Oracle Cluster" Oracle DATABASE 11G RAC detailed tutorial on RAC special issues and practical experience (V)

vote disk, which is restarted when a node with >=3 vote disk connection times out due to network or storage reasons. When one or two vote disk is damaged, it does not affect the operation of the cluster.How to view the configuration of an existing systemFor an existing system, the following methods can be used to confirm the heartbeat configuration of the DB instance, including the NIC name, IP address, and network protocol used.? The simplest method can be obtained in the database background a

Navicat for Oracle Connect Oracle 11G operation Flow

Tags: oracle-11g navicat win7-64bitNavicat for Oracle Connect Oracle 11G operation Flow 1 Changing the Oracle configuration file After you install Oracle

Oracle Database 11g Some important initialization parameters (i)

Tags: OracleOracle Database 11g Some important initialization parameters (i)Initialize parameter file locationD:\app\Administrator\admin\orcl1\pfile\init.oraInit.ora1, Diagnostic_destIn 11g, there is a new structure for storing diagnostic information called the Automated Diagnostics repository (AUTOMATICD Diagnostic Repository ADR).Specify the directory location with some parameters, such as $ORACLE_BASE/DI

Install Oracle 11g R2 (11.2.0.3) in Oracle Linux 6.3)

This article describes how to install Oracle 11gR2 (11.2.0.3) in Oracle Linux 6.3 ). Since Oracle 11g, the official Oracle website does not provide a download link for its Patch. You need to use the Meatlink account to download the Patch. Do not worry about the kids shoes. I

Oracle-Install Oracle Database 11g Release 2

Write in front: In the work, the general installation of Oracle oneG client, configure Net Manager (installed client or server), remote connection to the Oracle database to meet the needs of connecting the database. If you want the machine to operate Oracle, you need to install Oracle one-to-oneG server.

"Oracle Cluster" Oracle DATABASE 11G RAC Knowledge and graphics detailed tutorial cache fusion technology and main background process (iv)

documents Oracle's three highly available cluster scenarios Introduction to cluster Concept: The Oracle Advanced Course--theoretical textbook Oracle one-off RAC Survival Guide Oracle 11gR2 RAC Management and performance optimization Article Navigation Introduction to cluster concept (i)

"Oracle Cluster" Oracle DATABASE 11G RAC Knowledge and graphics detailed tutorial cache fusion technology and main background process (RPM)

Database 11G RAC cluster installation (vii) ORACLE ENTERPRISE LINUX 5.7 Databases 11G RAC database installation (eight) Basic test and use of database 11G RAC under ORACLE ENTERPRISE LINUX 5.7 (ix) Cache Fusion principleThe background process for RAC has been d

Oracle study-oracle 11g OCM Exam (1)

Oracle study-oracle 11g OCM Exam (1)System environment: RedHat EL64Oracle:oracle 11gR2Oracle 11g OCM Exam First, manual build library, reference document 650) this.width=650; "Src=" http://img.blog.csdn.net/20160408214710987?watermark/2/ Text/ahr0cdovl2jsb2cuy3nkbi5uzxqv/font/5a6l5l2t/fontsize/400/fill/i0jbqkfcma==/dis

Oracle Performance Tuning ASH,AWR,ADDM

dbms_workload_repository. Create_snapshot;We can also use the Dbms_workload_repository package to complete the baseline, modification of the default settings and so on.ADDM (Automatic Database Diagnostic Monitor AWR)is a consultant system within Oracle that can automate some of the optimization recommendations for the most databases, give recommendations for SQL optimization, index creation, and statistics collection.ADDM report Generation:Sqlplus>@?

Oracle Performance Tuning-Beyond OCP proficient Oracle Video tutorial Training 38

Oracle Performance Tuning-Beyond OCP proficient Oracle Video tutorial Training 38Course IntroductionWind Brother Oracle Video tutorial , operating system optimization tuning, storage System optimization tuning experience, database

ORA FAQ Performance Tuning series--oracle 9 with Oracle 8 CPU

, Oracle will rearrange the NON-ACCESS predicate order to reduce CPU costs, but in most cases it will not be aware of performance differences.) ) Overall-it ' s definitely a good thing. In practice, you may have a much stronger bias towards indexed access paths which the May impact performance. Anyway--it's certainly a good thing. In fact, you can find a stronger preference for index access paths, which will affect performance. Further reading:oracl

Install Oracle 11g in Oracle Enterprise Linux

Install Oracle 11g in Oracle Enterprise Linux. Prepare the server and operating system. 2. Check the redhat kernel version. [root @ redhat ~] # Uname-r 2.6.32-131.0.15.el6.i686 installation package check [root @ redhat sysconfig] # rpm-qa | grep binutils binutils-2.20.51.0.2-5.20.el6.i686 www.2cto.com binutils-devel-2.20.51.0.2-5.20.el6.i686 [root @ redhat syscon

Oracle 10g and Oracle 11g hand-built case--oracle 10g

Oracle 10g and Oracle 11g hand-built case--oracle 10gSystem environment:Operating system: RedHat EL6Oracle:oracle 10g and Oracle 11gThe Manual construction of the library is relatively easy to implement, this case is from 10g and 11g

Installation and configuration of coexistence of Oracle 10g and Oracle 11g databases in Linnux

install11. Use the Startup ScriptYou need to make some changes before using the startup script, mainly to configure the ORACLE_HOME_LISTNER variable.Vi $ ORACLE_HOME/bin/dbstartPut 79 rowsORACLE_HOME_LISTNER =/ade/vikrkuma_new/oracleModifyORACLE_HOME_LISTNER = $ ORACLE_HOMEOtherwise, an error is returned:[Oracle @ gtlions bin] $./dbstartFailed to auto-start Oracle Net Listene using/ade/vikrkuma_new/

Using Exp/imp to import Oracle 11g data to Oracle 9i

Now there is a need to use Exp/imp to import 11g of database data into 9i, to solve this problem generally think of three ways of thinking, try (in fact, from the high version of the server to support the low version of the client principle, you can probably guess the use of 9i client to handle the problem) Method 1: Export imports all use 11g clients --11G Cli

Navicat for Oracle connection to Oracle 11G operation process, navicat11g

Navicat for Oracle connection to Oracle 11G operation process, navicat11g Procedure for connecting Navicat for Oracle to Oracle at 11 GB 1. Change the Oracle configuration file After installing

Oracle 11g real-time SQL monitoring

Oracle 11g real-time SQL monitoring Oracle,In-depth analysis of Oracle,Reading Notes April 9 th, 2010Author: dbtan | [indicate the source and author information in hyperlink form during reprinting] Link: http://www.dbtan.com/2010/04/real-time-sql-monitoring-in-oracle11g.html Orac

Oracle lab environment setup (Windows + Oracle 11g)

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]-linux Installation oracle.11g illustration

information between Oracle processesAbout connected session information, including all current active and inactive sessionsDatabase information is stored in the SGAORACLE.DATABASE.11G InstallationThis trial CentOS6.5 system, before installing Oracle to pay attention to hardware requirements, memory minimum of 4GB, virtual memory is twice times the physical memor

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