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security of the database, once lost, it is difficult to find back. Therefore, it is hoped that through the establishment of database clusters, the redundancy of the data set, the backup data to ensure security. Classification of database clusters Database cluster technology is a technology that combines multiple serve
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-
, 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 databas
Oracle 11g Installation Prior to installation to determine their own computer configuration, in Windows, for example, if it is Win7 the following systems such as XP, you can choose Oracle 10g. Because the 10g program files only 200 trillion, and 11g and reached 2G, the official download path to the file can not be fou
Problem Environment:1. Database version: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0-64bit Production2. Operating System Environment: Windows 7 flagship edition 64-bit3. Four Oracle database software (four
Background:The physical memory of the master and slave machines is doubled. After the memory is expanded, You need to modify the memory parameters related to the database, including the database and operating system. After doubling the memory size of the backup machine, modify the relevant memory parameters and start the database to the backup machine for two day
same database is used for both capture and replay operations to simplify the process. I am using the most basic Oracle 11g seed database and the sample solution installed by default. The DATABASE will run in ARCHIVELOG mode with the FLASHBACK log function, so that the flash
Database Quick Start failover: ENABLED Configuration status:SUCCESS Now the fast_start failover configured for dgmgrl has been configured. The failover process is simulated below. We can use shutdown abort to simulate unexpected database crashes in Hong Kong Space, NOTE 1: The master database shutdown immediate does not start the fast start failover function. NO
How to fix the standby database after ORACLE 11G replica uard Failover, and restore uardfailoverProblem scenarios after failover:Due to the failover test, a standby database has been changed to the primary database. How can I change this new primary
Oracle-validated RPM for oracle Linux (Skip this part for your reference) Because the Database requires some software packages, software package versions, and Kernel Parameter fine-tuning, You need to configure the operating environment in advance before installing Oracle Database
Oracle 11g PL/SQL function result cache, oracle11g Two experiments have been conducted to simulate the Oracle Performance Diagnosis art. The book says that if you don't need RELIES_ON, then the changes to the objects on which the function depends will not result in the invalid result cache operation (result_cache RELIE
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
physical standby database has become extremely simple, and an RMAN command can complete the entire process. In the past, you may need to use the Grid Control wizard interface to complete Data Guard settings between two computers. At the time of writing this article, the Oracle Enterprise Manager Grid Control 11g has not yet been released, and the
> list datafilecopy all; rman> Delete Expired backupcopy; Rman> crosscheck datafilecopy All; rman> Delete Expired backupcopy;If this is due to the Flash recovery area capacity limit, you can modify the path and capacity of the flash recovery area:Sql> alter system set db_recovery_file_dest= '/data/app/oracle/test ';Sql> alter system set db_recovery_file_dest_size=10g;Rman Incremental BackupWhen you use Back
Tags: not primary users ODI list A code sample automatic conversion operationI. Preparation TOOLS1.Oracle database: Full name Oracle Datebase is a relational database management system of Oracle Corporation;2.pl/sql:pl/sql Develop
As we all know, it is not easy to migrate a database from a higher version of Oracle to a lower version of oracle. If you directly use the SQL developer tool, you may not be able to complete the migration successfully (errors may occur more or less in the middle ). Exp and IMP are applicable to
I. Base and management of the database:Persistence Technology: Memory--FILE----database (most commonly used, popular)1. Database:1. Store massive data (P) Big data, cloud computing2. Security3. Easy to manage and operate (DDL,DML.TCL ...)4. Sharing of data (concurrent access)2. Product Brand: (relational database)Oracle
tables in a database, and data in tables. Sql*plus: An environment, one of the characteristics of Oracle, Keywords can be abbreviated (such as: Edit (ed), describe (DESC)), the command can not change the value of data in the database, centralized operation Database
range of platforms including Linux.2. OracleOracle, formerly known as SDL, was founded in 1977 by Larry Ellison and two other programmers who developed their own blockbuster products and sold them in the market, and in 1979 Oracle introduced the first commercial SQL relational database management system. Oracle is one
Use rman to migrate 10 Gb servers across databases and servers: 192.168.182.133Oracle10.2.0.1.0RHEL432bit11g server: Server 192.168 Use rman to migrate 10 Gb servers across databases and servers: 192.168.182.20.oracle 10.2.0.1.0 RHEL 4 32bit 11g server: Server 192.168 Using rman for cross-database and cross-server migration10g server: 192.168.182.20.
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