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Data backup and Database Replication in Oracle user management mode The first thing to note is that Oracle Database Backup can be divided into logical backup and physical backup. Logical backup backs up data through data export, mainly through the old IMP/EXP and Data Pump lamp mode. It is suitable for databases with fewer changes. For high-availability databases
MySQL replication and Oracle logical standby are both SQL apply. What is the difference in implementation?Binary log and redo transmission principlesMySQL replication can be easily used for application read expansion, and can also help MySQL implement a certain level of HA solutionIn fact, the whole replication process
As described earlier, Oracle provides two ways for database-level replication: A, Maintain_global B, Pre_instantiation_setup, Post_instantiation_setup Maintain_global is suitable for small and medium-sized database creation, while Pre_instantiation_setup+post_instantiation_setup is suitable for the creation of large database, here we demonstrate through pre_ The Instantiation_setup and Post_instantiation
Tags: goldengate training goldengate Implement goldengate configuration goldengate install goldengate disaster recoveryOracle goldengate database replication and disaster recovery project implementation and maintenance _ogg combat trainingCourse IntroductionOracle Video tutorial, wind Brother this set of Oracle Tutorial Training learning Oracle Database goldengat
The Sybase replication server (Sybase Replication server), in addition to replicating data with the Sybase system, is used to replicate heterogeneous databases, including Oracle, MS SQL Server, DB2, Ianywhere, and so on. and become the foundation of the enterprise-wide client/server application model. How the Sybase-sybase r
Tags: oracle mysql Old driver says we want to use (delayed replication)In the recent work has encountered the production Environment database table was deleted, in fact, such things should not have happened.A few small suggestions: Production environment database developers can only have query permissions, even low-level development does not have permission to check the production system, similar
GXPT is a distributed system, which temporarily includes the privilege system, the basic system, the evaluation system, the examination system, each system has its own Oracle database. Our group is responsible for the evaluation of the teaching system, and the normal needs of the evaluation system and the use of the system of authority and the basic system, the specific business here is not much explanation. The recent evaluation of teaching activitie
I. Installation conditions 1. Prerequisites: 1). the source and target Oracle Database listening starts.2). gg installation directory:/u01/app/ogg3) The copied table must have a primary key.4) check whether the extraction log directory configured by the process is valid. If the Process configuration is correct, Directory inconsistency may cause the replication to fail.5). Operating SystemRhel 5.4X64 (2.6.18
-end enterprise database software. Oracle Database Engineer is one of the most urgently needed technical personnel in the enterprise, Oracle database Engineer is a high-paying career, the primary DBA has a salary of about 10W, and the intermediate DBA has a minimum annual salary of 20w+, while the domestic senior database expert has exceeded 100W. This course is an essential part of your
1. experiment environment ConfigurationThis experiment is carried out in the vmware9.0 environment, the installation of the operating system CentOS-6.4-x86_64, database version is Oracle10g10.2.0.1, the source database and the target database are installed with the database, the source database ORACLE_SID = myorcl, the target database ORACLE_SID = orcl Introduction and Setup of Oracle Streams Oracle Stream
This article describes the SQL statements related to Oracle table replication. This article describes the five types of tables that are frequently used in Oracle table replication SQL, if you are interested in the application of SQL statements related to Oracle table
Data replication between Oracle databases-the COPY command in SQLPlus can replicate data between different Oracle databases and replicate data in the same database, its performance is the same as that of import/export. Schematic diagram: According to 9i, the Copy command will not be supported in the future, but in fact Oracle
Schema-level replication can be done through DBMS_STREAMS_ADM. Maintain_schemas created, after the space-level trial of the previous table, the creation of a schema-level replication environment is relatively straightforward. The examples in this chapter continue to follow the environment in the previous chapter (primarily the Oracle environment, where the previ
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GXPT is a distributed system that temporarily includes the permission system, basic system, evaluation system, and examination system. Each system has its own oracle database. Our group is responsible for the evaluation system, and the normal evaluation system needs to rely on the permission system and basic system. The specific business is not explained here. The evaluation activities are coming soon. The basic system enters real data into the basic
GXPT is a distributed system that temporarily includes the permission system, basic system, evaluation system, and examination system. Each system has its own oracle database. Our group is responsible for the evaluation system, and the normal evaluation system needs to rely on the permission system and basic system. The specific business is not explained here. The evaluation activities are coming soon. The basic system enters real data into the basic
[Email protected] rac1>alter system set control_files=2 ' +data/racdb/controlfile/current.260.942339579 ',3 ' +data/racdb/controlfile/current.269.942450435 ',4 ' +data/racdb/controlfile/current.270.942450415 ' scope=spfile;System altered.[Email protected] Rac1>shutdown immediateOra-01507:database not mountedORACLE instance shut down.[Email protected] Rac1>exitDisconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0-64bit Productio
Manager Console) tree nodeThe table tablename statement to query the offset database is as follows:SELECT field name from [email protected] data link name;To copy table data:Insert into table name (field name) (SELECT field name from [email protected] data link name);View DBLINK:Select owner, db_link from Dba_db_links;Delete:Drop DATABASE Link Dblink nameProblem with Oracle Password:sql> CREATE USER AAA identified by 1;CREATE USER AAA identified by 1
Oracle single table stream replication is completed. Due to the many steps of oracle stream operations, many problems have been encountered before, Failed because I did not clarify my thinking or did not understand this. For important tables, stream replication is similar to the logging uard Application Log, master ser
Prepare two devices, take my example a source ip:192.168.3.66 and a duplicate ip:192.168.3.771 "Copy the database based on the backup set, the directory structure is the same (Active database network)1. Check the duplicate to see if there are any parameter files (if not, create them)CD $ORACLE _home/dbsTouch Dummy.oraEdit VI Dummy.ora AddDb_name= ' prod '2. Copy a password file on the source side (provided the source has a Orapwprod password file, or
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