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non-routine recovery of Oracle 12C CDB database without database backupFamiliar with Dul friends know Dul is file# 1 Block 1 kcvfhrdb find bootstarp$ Segment Header (in fact Kcvfhrdb is bootstarp$ segment Header RDBA address), Then through the related SQL stored in the bootstarp$ to find some base table objects (obj$,tab$,col$,seg$, etc.), and then through their positioning to the specific object of the seg
In previous versions of Oracle 12C, if you wanted to achieve column growth, you would need to implement a sequence + trigger, and then 12C ORACLE introduced the Identity columns new feature, enabling the column to grow, and Mysql,sql server-like functionality.Using syntaxORACLE 12C
Tags: centos7 Oraclecentos7_minimal silent installation of Oracle 12c version1. Check the system version[Email protected] ~]# cat/etc/redhat-release CentOS Linux release 7.4.1708 (Core)2. Turn off SELinux[Email protected] ~]# sed-i ' s/selinux=enforcing/selinux=disabled/g '/etc/selinux/config [[email protected] ~]# Getenforce Disabled3. Turn off the firewall[Email protected] ~]# Systemctl stop Firewalld4. M
Oracle Study--oracle 12c RAC Install (ii) Third, install the grid infrastructure 1. Install GI software [Root@node1 grid]#./runinstaller 2. Run the script [root@node1 cvu_12.1.0.2.0_grid]#/u01/app/orainventory/orainstroot.sh changing permissions of/u01/app/orainventory. Adding Read,write permissions for group. Removing Read,write
Label:Oracle 12C still supports the beta version of Bbed,oracle 12C, and for those accustomed to using bbed (Oracle scalpel), whether 12C continues to be supported is a matter of great concern, through this experimental test, 12C
Label:Oracle column self-increment-identity Columns in Oracle Database 12c Release 1 (12.1)In previous versions of Oracle 12C, if the column was to grow from a sequence + trigger, the new Identity columns feature was introduced into the 12C
Summary of the new features of Oracle 12c on business impact (1) 1. invisible fields In Oracle 11g R1, Oracle introduces some good enhancement features in the form of invisible indexes and virtual fields. Inherit and develop the former, and introduce the invisible field idea in Or
PL/SQL enhancements in Oracle 12c Oracle 12c enhances a series of methods for defining and executing PL/SQL program units. This article covers several new features of Oracle 12c: 1. optimized the caller permission function for the
root partition, which is the experimental environment so it can beConfigure the NetworkThe root password is now created when installing the installation, and if prompted simply, click two times.Wait for the installation to complete.3. Configure Linux environment A. Test network environment Remember to shut down the local computer firewall.$IP Address Show$vi/etc/hosts configuration in root mode$ping TestEnter Command mode Linux 7 is not the same as the previous version, not in Etc/inittabComman
Tags: enable script persistence command IMP graphical limits EMC AddressIntroduction to deploying Oracle 12c based on CentOS7 installation Oracle Database, also known as Oracle RDBMS, or Oracle. is a relational database management system of
Oracle cloud control 12c startup and shutdown, cloud12c The entire installation of Oracle cloud control 12c is complicated. The installation path, logon password, port number, and many other configurations are confusing. This article describes how to obtain the various port numbers, URLs, and how to start and disable c
Oracle 12C has been released... Next I will learn about silent installation and configuration of Oracle 12C and the example users. Installing Oracle 12C in Linux-6-64 New Features of Oracle
Environment: DB version Oracle database 12c Enterprise Edition release 12.2.0.1.0-64bit ProductionExperiment Preparation:1.--Database Archiving modeSql> select Name,log_mode from V$database;NAME Log_mode--------- ------------ANDYCDB ARCHIVELOG > Database archiving mode2.--Log In the PDB creates the experimental table space with the user[Email protected] ~]$ sqlplus sys/[email protected]:1521/pdb01 as Sysdba
Course lecturer: Xiao Liu Teacher Course Category: Oracle Suitable for people: advanced Number of lessons: 15 hours Update level: Complete Type of Service: Class C (General Service class course) Using the technology: Oracle Projects involved: Oracle 12c database backup and recovery Need
Install Oracle 12C and linux7centos7 on LINUX7 (CentOS7) Original Works are from the blog of "Deep Blue blog". You are welcome to reprint them. Please note the following source when reprinting them. Otherwise, you will be held legally liable for copyright. Deep Blue blog: http://blog.csdn.net/huangyanlong/article/details/45021171 Lab environment: Oracle VM Virtu
Tags: passwords dba OMS databaseThe former has deployed Oracle Cloud Control 12c on the virtual machine, and for a few days, forget the login password. The main reason is that Oracle-related software now provide a stronger security mechanism than before. What simple "Oracle" like PWD is no longer supported. It's just a
Oracle DB In-memory is pre-installed in Oracle database 12c (12.1.0.2 version) without the need to install additional software or recompile existing database software. This is because the in-memory option is seamlessly integrated into the Oracle database software kernel as a new component of the SGA, so
. . Exported "Xxcis". " Gtsdecheaddel "0 KB 0 rows. . Exported "Xxcis". " Gtsdecmessagesend "0 KB 0 rows. . Exported "Xxcis". " Gtsdecprintparameters "0 KB 0 rows. . Exported "Xxcis". " Gtsdecreceiptresult "0 KB 0 rows. . Exported "Xxcis". " Gtsdecsupplementlist "0 KB 0 rows. . Exported "Xxcis". " Gtsexportinvoice "0 KB 0 rows. . Exported "Xxcis". " Gtsmerger " 0 KB 0 rows. . Exported "Xxcis". " Investmode "0 KB 0 rows. . Exported "Xxcis". " Mergercolumnorder "0 KB 0 r
Tags: command execution wget Restart Speed Hyper Fusion is open OGGOracle 12c was released for a long time, although several sets of single-instance Oracle 12c have been deployed in the near future, there has been no opportunity to implement 12c RAC in the production environment, of course, can not eliminate the existi
Let ' s say we is going to develop a application for a bank, or any other enterprise, this application need a DB. And we decide to choose Oracle 12c. Then we make a plan: Application is to Wbbank, so name is Wbbank Application DB is running in a individual PDB Application DB have its own tablespace There is both users for this DB, one was to administrate objects of the db (Schema), whic
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