oracle 12c tutorial

Attention:This document is an operational document for production, omitting the need for ip,oracle users to server,agent at least Sudo,ping,ssh, creating directory permissions.First, installation requirements 1.1. Overview of the System IP Database oem Operating system Database version XX1 Standalone Service (12.1.0 .5) Linux 6.7 oracle11.2.0.4

The problem is as follows:In 12c, we tested two cases:The first is to add hint, so that the 12c execution plan is similar to 10 GB, but because of the 12c nlj_batching, a nestloop is added. However, the execution plan is essentially the same, and the index S_CONTACT_X_U1 returns the table query.The second is to use 10g outline hint, OFE = 10g, and the execution p

One: Multitenant Architecture (12.1.0.1)Multi-tenant architecture is the new heavyweight feature of Oracle 12c (12.1), built-in multi-tenancy (multi-tenancy), a container database (container) that can hold multiple pluggable Databases, Each pluggable database is independent of the other pluggable database.For external applications and developers, pluggable databases looks like a single database before the n

catalogAllocated Channel:ora_disk_1Channel ORA_DISK_1:SID=60 Device Type=diskChannel ora_disk_1:starting full DataFile backup setChannel ora_disk_1:specifying DataFile (s) in backup setInput datafile file number=00022 name=/home/oracle/app/oracle/oradata/andycdb/4ecf8621e3da38eee0531019640aa598/ Datafile/o1_mf_sysaux_dk5wmv11_.dbfInput datafile file number=00021 name=/home/

Label:12c has launched a pluggable database with multiple database PDB in the form of multiple tenants in a single container cdb. The data pump import and export for the PDB is slightly different from the traditional database. 1, need to add tansnames for PDB 2, import and export need to specify its tansnames value within the UserID parameter, such as Userid=user/[email protected] Data Pump Import and export example1. View the current SID, view the P

Dangdang page Link:Http://product.dangdang.com/23625712.html1th. Oracle Database Basics1.1 What is a relational database1.1.1 Relational Database modelFounder of the 1.1.2 relational data model1.2 A brief history of Oracle database developmentThe beginning of 1.2.1 Company1.2.2 The evolution of Oracle Database1.3 Database RDBMS1.4 SQL Language Introduction1.4.1 S

Installation of Oracle Database 12C in Linux Install Oracle Database 12C in Linux. After the installation, Oracle Configuration Manager fails to be properly installed, which does not matter. It will be installed later. It must be about environment variables or permissions. A

Method/Step1 download version of Oracle 12c R2 forwindows：Http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html includes two compressed packages: winx64_12c_ Database_1of2.zip,winx64_12c_database_2of2.zipUnzip the version of Oracle 12c R2 for WindowsUnzip the two compressed packets into the

Tags: images virtual is the database management TOC various Sysstat graphical interface homeOracle database is a leading product in the field of database. It can be said that Oracle database system is currently the world's popular relational database management system, System portability, easy to use, strong function, applicable to all kinds of large, medium, small, microcomputer environment. It is a highly efficient and reliable database solution tha

Tags: vertical details system performance which fast SAP database combined bottleneck This article comes from reading notes on which is Faster HANA or Oracle 12C, and outlines the key points. Does not represent my point of view.Brief introductionSAP claims that Hana is the fastest database, so SAP's new ERP system S4 no longer supports Oracle A new feature of

Previously wrote an article by modifying the control file to modify the path of the problem, now use method two through rename to modify the path of the problemExperimental object: Two Linux stand-alone Oracle 12C databases (both large and small versions are consistent), data migration takes a cold backup way.Migration stepsFirst turn off monitoring, and kill the connected appPs-ef | grep Local=no | awk ' {

The transaction-based temporary tables in Oracle are under 11 GB and 12C. After the statistical information of the temporary tables is collected, the former records are cleared, and the latter does not, which is an important difference. In the company The transaction-based temporary tables in Oracle are under 11 GB and 12C