corresponding technical operation and maintenance capacity, project input costs, business system load level. With Oracle's own component capabilities, no Logical Standby, stream, and 11g physical Standby (Active Data Guard), the stream is the most flexible, but most unstable, 11g Physica L Standby supports recovery and read-only parallelism, but because it is no
variable (log in to the desktop using an Oracle account and open the Terminal window file and finally add the settings line for the following environment variable)[Email protected] ~]# Vi/home/oracle/.bash_profileOracle_base=/u01/app/oracle; Export Oracle_baseoracle_home= $ORACLE _base/product/11.2.0/db_1; Export orac
The following problems are frequently encountered during data migration:
1. If the exported file is not valid, the header verification fails;
2. EXP-00056: Oracle error 6550ORA-06550: Line 1, column 41:PLS-00302: component 'set _ no_outlines 'must be declaredORA-06550: Line 1, column 15:PL/SQL: Statement ignoredEXP-00000: Export termination failed
About import and export:
1. The exp command on the clien
Oracle 11g RMAN: Interpretation of the command for creating dg in Active Database Duplication for standby database, rmanduplicationIf the production-based duplicate replication is not manually configured with pfile (set memory, process, dg-related configuration parameters, database-related path parameters), various parameters cannot be converted;Because duplicate will automatically copy pfile, control file,
Dataguard is an important solution officially recommended by Oracle for the MongoDB architecture. Currently, RAC + Local federation uard + Remote Federation uard has become a common HA architecture in the industry. Switchover and failover are the most common operation scenarios for RAC and replica uard.Failover is an unplanned switchover action. Generally, the Primary database Primary has a hardware and software fault. If you cannot continue to provid
1. First download the oracle 11g x64 bit package from the official website.
:
Http://download.oracle.com/otn/linux/oracle11g/R2/linux.x64_11gR2_database_1of2.zip
Http://download.oracle.com/otn/linux/oracle11g/R2/linux.x64_11gR2_database_2of2.zip
2. Installation Package detection and Installation
[root@struggle ~]# rpm -q binutils compat-libstdc++-33 elfutils-libelf elfutils-libelf-devel glibc glibc-commo
configuration, you can start the data listener, instance, ASM instances directly with the Dbstart command, but have not started oracle10g em,oracle the use of Web page management database is quite convenient, It is also a feature of the 10g, so it should be started with the service. $ORACLE _home/bin/emctl Start Dbconsole So we can use the rc.local or Redhat ser
BKJIA featured translations] Oracle 11g R2 extends many new feature suites for backup and recovery, including recovery manager RMAN, many of which are extensions for earlier features.
BKJIA editing recommendations: New features and application details of Oracle 11g
Automated block recovery. In my opinion, the block-lev
the above third-party cluster is an option for installation. Another new feature, called ASM, can be used for the management of shared disk devices under RAC, as well as the stripe and mirroring of data files to improve performance and security (S.a.m.e:stripe and mirroreverything). No longer relies on third-party storage software to build RAC systems. In particular, the ORACLE11GR2 version no longer supports bare devices, and
Some ASP. NET + Oracle 11G systems write and learn essays, including Oracle's "rownum" and "sequence serial number 」. (6) Oracle rownum, equivalent to the select top of other databases Oracle does not support the select top syntax. to retrieve the maximum or minimum records, you must use the rownum keyword and subque
The Oracle Database 11g has enhanced the DataGuard function in many aspects, so it is difficult to describe it in detail. Therefore, here I will introduce some feature enhancements that I am most interested in. Backup
Oracle Database 11g has enhanced the Data Guard function
Dg_broker_start
NAME TYPE VALUE
------------------------------------------ -----------------------------------
Dg_broker_start boolean FALSE
sql> alter system set DG_ Broker_start = true;
System altered.
Sql> Show parameter Dg_broker_start
NAME TYPE VALUE
-------------------------------------- ---------------------------------------
dg_broker_start boolean TRUE
Co
Tags: oracle oracle 11g Redhat DatabaseFor beginners who want to learn Oracle, see the veteran. Operating System Information: VBox virtual machine software version: Install the required software: Required Software:Http://pan.baidu.com/s/1mgl8kzu Specific installation steps:A. Create a new virtual machine and install
permissions, permission levels for the directory 755Step Three: Initialize parameters-- This step is to complete the initialization of the parameter file creation$ cd $ORACLE _home/dbs-- in this directory to hold the database initialization parameter file, we need to create in this directory a Pfile file$ VI Inithyl.ora-- Initialize parameter name is Init Plus SIDIn memory_target=900m--11g, memory manageme
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, a
Tags: style http io ar color OS sp for onInstall Oracle 11G Release 2 (11.2) on Oracle Linux 7 (OEL7)This article presents what to install the Oracle 11G on Oracle Enterprise Linux 7 (OEL7).read following article How to install
It's sometimes said that the true job of an Oracle database administrator can be summed up in one, essential skill: to be able to recover your database. there's much wisdom in that statement. of all the things you are responsible for as a database administrator, nothing is more important than the data itself. like it or not, the fearsome responsibility of protecting your organizations most critical
# oracledb name of your database instance
Step-9 # Set oracle environment variables (use the oracle account to log on to the desktop, enable the terminal window file, and finally add the setting line of the following environment variables)
[Oracle @ oracledb ~] # Vi/home/oracle/. bash_profile
ORACLE_BASE=/u01/app/
Installation and configuration of EM in Oracle 10g and 11g
I set up an Oracle environment locally. I first installed the database with EM. After the installation, I wanted to modify the listener port and replace the port 15521 with another one, as a result, several parameter files are modified in the directory, and EM cannot be started directly. Finally, I analyz
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