Tags: img Install Oracle Advanced database Mode Gen Tag alias MCTHere, I am introducing the installation of the cloud Control 12c. The previous version is called Grid Control, which is also known as 11g. When I write this blog, the Cloud Control 13c has come out, this version follow me to introduce. Before installing, let's take a look at the overall architecture. First, it needs a database (that is, repo
Complete uninstall of Oracle 12c operation steps on Windows7
1. Turn off all Oracle Services and press "Win+r" to Run "services.msc" to find all services that begin with Oracle (oraclevsswriterorcl+oracleserviceorcl+ ORACLEORADB12HOME1TNSLISTENER+ORACLEORADB12HOME1MTSRECOVERYSERVICE+ORACLEJOBSCHEDULERORCL), click S
Oracle 12C multi-index with the same column
In Oracle 12c, Oracle provides the ability to create different indexes on the columns of the same table for SQL Performance Optimization, but only one index is visible.
The following is an exampleConnected:Oracle Database
Before 12c, if you want to achieve the automatic growth of column, usually through sequence, but this problem is solved in 12c, Oracle postponed the identity column feature, which perfectly solves the previous problem, the following is my simple test, For reference!
Sql> Alter pluggable database all open;Pluggable database altered.Sql> select Name,open_mode from
Oracle 12C r2-new features-pdb disk I/O (iops,mbps) resource managementIn previous versions, there was no easy way to control the amount of disk I/O used by a single PDB. As a result, a PDB may run out of disk I/O and affect the performance of other PDB in the same instance. The Oracle 12c R2 can control the amount of
On April 9, June 2013, Oracle officially released Oracle Database 12C release 1. It is as follows: http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html
According to Sina Weibo, a well-known Chinese DBA, guobiao, Oracle 12c has new features su
The obsolete maintenance command crs _ *, 12ccrs _ in Oracle 12c RAC _
Crs_stat is commonly used in Oracle 10g and 11g RAC to monitor the running status of RAC. However, the crs_stat display is incomplete, so we will perform a secondary encapsulation of crs_stat to make the results look more fresh. For example:
In the
Tags: Oracle 12c change archive mode1.shutdown Normal or shutdown immediate close the databaseSql*plus:release 12.1.0.1.0 Production on Monday December 15 15:49:47 2014Copyright (c) 1982, Oracle. All rights reserved.Connect to:Oracle Database 12c Enterprise Edition Release 12.1.0.1.0-64bit Productionwith the partitioni
Tags: style blog color io data art arAn Oracle 12c database was installed today for testing, and an error occurred while running a very simple command:SQL> Show Con_nameconcat "." (Hex 2e) SP2-0158option "_name"Internet search for a long time also did not search, in Google incredibly only found a record, is a French blog, but it seems that he did not write the reason for the mistake. Finally looked at the
Tags: des style blog http color io os using ARThis series of articles is a summary of some of the new features of Oracle database 12c, including database management, RMAN, high availability, and performance tuning, Syed Jaffer Hussain.1. Online renaming and repositioning of active data filesUnlike previous versions, the migration or renaming of data files in the Oracle
)Installation success again!!!650) this.width=650; "title=" 3.png "alt=" Wkiom1z-sckr21asaabkth_6vk8303.png "src=" http://s2.51cto.com/wyfs02/M01/ 78/7f/wkiom1z-sckr21asaabkth_6vk8303.png "/>Here are the followingWhat the Oracle-rdbms-server bag did.(1) Automatic installation of the RPM package required by Oracle(2) Automatically create Oracle users and group gro
Note: This article declined to reprint.1 MGMTDB InstructionsIn the installation of the Oracle 12.1.0.1 grid Infrastructure, you can choose whether to install the grid Infrastructure Management Repository (GIMR) database: Mgmtdb. Such as:In the grid Infrastructure 12.1.0.2, no options have been changed, and the MIMR database has become a mandatory option.In Oracle 12c
In addition to using DBCA to delete the Oracle 12C database, we can also use the drop database Command to delete it.This deletion method is very simple, but must meet the following two requirements:1. The database must be in the mount State and cannot be in the open state;2. The database must be inRestricted mode.[Oracle @ rhel6u4 ~] $Sqlplus/as sysdbaSQL * Plus:
Label: In oracle12c, the concept of pluggable databases, the PDB, is added to allow a database container (CDB) to host multiple pluggable databases (PDB). CDB is all called Containerdatabase, the Chinese translation is a database container, the PDB is all called pluggabledatabase, you can plug and unplug the database. The following is an official document about the CDB vs. pdb diagram. In CDB, you can only create a C # #或C # #开头的用户, and if you do not add c##, you will be prompted with the error
SOURCE end: 12C RAC primay backup fileTarget side: 12C Single InstancePartial Summary:1 Pfile Modification2 Disable Redo Thread N3 Drop logfile Group N4 Rename LogFile5 Cancel Log Remote transferIf primary is in Maximum availablity mode, the control file will detect log_archive_dest_n in case the log transfer is normal? So without processing will be an error:LGWR (ora-16072): Minimum of 1 LGWR standby datab
When installing ORACLE 12c on solaris10, the following error occurs: Soft limit: maxmum open file descriptors, filedescriptors.
-- Configure the maximum number of opened oracle files
The Solaris operating system has a limit on the number of opened files. The db_files parameter settings of the database are limited by the operating system parameters.
An environmen
How to automatically start PDB Pluggable Database in Oracle 12c
PDB Pluggable Database is an important new feature of 12c, but for PDB in CDB, all PDB is not brought when CDB is started by default, in this way, we need to manually alter pluggable database all open;
[Oracle @ clouds ~] $ Sqlplus "/as sysdba"
SQL * Plus:
1. OverviewThe Oracle EM11g database needs to be migrated. The main steps are as follows:
1. Disable OMS
2. Back up the current database and restore it to the new server.
3. Update OracleEM OMS database connection Configuration
4. Start OMS
This operation method is also valid in Oracle EM 12c.
2. ProcedureStep 1: Disable OMS
Find the emctl tool in the bin where O
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