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 database 12c R1 version no longer requ
Creating Multiple indexes in the same column does not seem to be implemented in other databases, but now ORACLE 12C can be implemented, the following describes how to create multiple indexes in the same column.
From ORACLE 12C, different types of indexes can be created on the same column for performance optimization. Different types of indexes mainly include (B * TREE vs BITMAP, Local vs Global)ORACLE 11G
Differences between a transaction-based temporary Oracle table under 11 GB and 12CThe transaction-based temporary tables in Oracle differ from those in 11g and 12C. After collecting statistics on the temporary tables, the former records are cleared, and the latter does not, this is an important difference. 12C is used in the company environment, and 11 GB is used at the site. Using temporary tables will slo
Oracle 12c agent install for windows, oracle12c
There are two methods to deploy the agent in Oracle EM12c: one is to install the agent "push" directly to the managed end through the EM12c console through ssh, this method is relatively simple on the OMS and the managed end of the linux platform, because the Linux platform has its own ssh tool and does not require ssh tool configuration. However, if you want to install the Cygwin tool on OMS and the ma
Oracle 12c auto-incrementing column Identity Columns
In the 12c version of Oracle, Oracle implements auto-increment columns similar to auto_increment in MySQL. Let's take a look at how Oracle is implemented.
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0-64bit ProductionWith the Partitioning, OLAP, Advanced Analytics and Real Application Testing option
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 12c Enterprise Edition Release 12.1.0.2.0-64bit ProductionWith the Partitioning, OLAP, Advanced Ana
Requirements for installing oracle database 12c on RHEL7 or OL7, rhel7ol7
This article comes from:
Requirements for Installing Oracle Database 12.1on RHEL7 or OL7 64-bit (x86-64) (Document ID 1961997.1)
This article is not translated and is only reproduced in the original text:
Applies:
Oracle Database-Enterprise Edition-Version 12.1.0.2 and laterLinux x86-64Purpose
This note explains the requirements that need to be met for a successful installation
[Translated from mos] in Oracle db 12c, The alert_sid.log permission is changed every time the log is switched. 12calert_sid.log
In 12c, The alert_sid.log permission is changed each time the log is switched.
Source:Alert log file's permissions Change with every log switch in 12c (Doc ID 1637367.1)
Applicable:Oracle Database-Enterprise Edition-Version 12.1.0.1 and
Install WebLogic Server 12c on Linux (Silent Installation)
The customer recently installed WebLogic Server 12c on Linux. The customer said that the latest version should be installed. The version number is 12.1.X (12.1.2, 12.1.3 ). At first, we thought that we were using the console to download the binfile, just like the old version, and then executed it step by step on the console. Unexpectedly, since the
Issues with CDB User Creation and tablespace allocation in Oracle 12c Database
In Oracle12c, the concept of database plug-in is added, that is, PDB, which allows a database container (CDB) to host multiple pluggable databases (PDB ). CDB is called ContainerDatabase, and the Chinese translation is a database container. PDB is called PluggableDatabase, which can be used to plug and unplug the database. Before ORACLE
Solution for PL/SQL Developer in Windows 8 64-bit + Oracle 12c 64-bit, window812c1) install Oracle 12c 64-bit2) install a 32-bit Oracle client (instantclient-basic-nt-12.1.0.1.0.zip)Download instantclient-basic-win32-11.2.0.1.0.zip, must be win32 version, Oracle official website has download, unzip it to the Oracle Installation Directory of the Product: D: \ oracle \ product \ instantclient_12_1.Copy the NE
Record the restoration of the ORACLE 12C CDB database when the current redo is lost. ORACLE 12C redo exception recovery test-some pdb are not open normallyIn order to verify the restoration of the ORACLE 12C CDB database when redo is lost, a small experiment was conducted. Three sessions were operated to execute a delete statement in root pdb without submitting t
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 V$pdbs;NAME Open_mode-----------------------
ArticleDirectory
New Features
Database architecture
On July 6, June 26, 2013, Oracle Database 12C was officially released. The first version was 12.1.0.1.0. The first download platforms were Linux and Solaris:
Oracle official:
Http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html
Like the previous 10g, 11g Represents grid, while C in 12C is cloud,
Recently responsible for installing WebLogic Server 12c on Linux, customers say they want to install the latest version with a version number of 12.1.X (12.1.2,12.1.3). Start thinking that as with the previous version of the installation, use the console to download the bin file, and then step by step in the console execution down the line. Never thought, since the 12C version, the bin file is not provided,
Tags: openfiler 12c oss sha Hyper-converged to address ADO RAC improvementsWith a lot of Oracle RAC, shared storage is used. Dual controller with full disk, 15000 rpm SAS full slot, made into RAID 10, the cost is still very large. Recently in the open source hyper-fusion test, has achieved the very ideal effect: to be centralized, high availability, open source and low cost, can realize any one physical machine failure, run its virtual machine on the
Label:essshoworceppacl Close cdbabidba 12c Create userCreate User C # #lyoo2 identified by Oracle;12c User AuthorizationSql> Grant Resource,connect to C # #abiao12c;Sql> Show Parameter Db_createCreate PDBSql> Create pluggable Database PDB_SONGCC Admin user SONGCC identified by Oracle;Toggle PDBsql> Alter pluggable database PDB_SONGCC open;Sql> alter session set CONTAINER=PDB_SONGCC;View current PDBSql> Sho
1. View host and database information [[emailprotected] ~]$ sqlplus/as sysdbasql*plus:release 12.2.0.1.0 Production on Tue May 01:19:35 2018copyright (c) 1982, Oracle. All rights reserved.connected to:oracle Database 12c Enterprise Edition Release 12.2.0.1.0-64bit production nbsp Sql> set linesize 300set pagesize 999select * from V$version;bannercon_ ID------------------------------------------------------------------------------------------Oracle Dat
This is a question that I have always been concerned about.11G about this problem has improved, to 12C more is a number of new featuresFor a discussion of the new features of 11G, refer to my blog http://blog.csdn.net/dbcrocodile/article/details/2117040712C on this aspect is added on the new 11G feature.Adding a column to the 11G and setting the default value does not make changes to the actual data in the table, but rather by marking the data diction
The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion;
products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the
content of the page makes you feel confusing, please write us an email, we will handle the problem
within 5 days after receiving your email.
If you find any instances of plagiarism from the community, please send an email to:
info-contact@alibabacloud.com
and provide relevant evidence. A staff member will contact you within 5 working days.