Data Guard: Oracle 12c – New and updated Features (Doc ID 1558256.1)
APPLIES TO:
Oracle Database - Enterprise Edition - Version 12.1.0.1 to 12.1.0.1 [Release 12.1]
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Backup Service - Version N/A and later
Information in this document applies to any platform.
***Checked for relevance on 13-Jul-2015***
PURPOSE
This Note provides an Overview on all Data Guard-related New Features of the Oracle Database 12c present an overview of all described features associated with the new Data Guard Oracle Database 12c of the
DETAILS
New Standby Database Type 'Far Sync Standby Database': the new standby database type 'Far Sync Standby Database':
This is a local ArchiveLog Repository (near the Primary Database) which is able to send Redo to a remote (far away) Standby Database. The remote Standby Database is a cascaded Standby of the Primary Database via the Far Sync Standby. So it is possible to serve a remote Standby Database with a higher Protection Mode even if the Network does not have full Performance. You can find further Details about Far Sync Standby here:
This is a local repository ArchiveLog (close to the main database), it can be sent to a remote Redo (distant) database backup. Remote standby database by remote synchronization primary standby database database database backup cascade. Thus, even if the bad network performance, but also can provide higher protection to the remote backup database. You can find more detailed information about remote synchronization standby here:
Note 1565071.1: Data Guard 12c New Feature: Far Sync Standby
Creating a Physical Standby from Primary on Version 12c (Doc ID 1570958.1)
Oracle® Data Guard, Concepts and Administration, 12c Release 1 (12.1)
Chapter 5: Far Sync
New Options for Cascaded Standby Databases new options cascading standby database
It is now possible to cascade a Standby Database in Real-Time, ie. the first Standby Database can send Redo from the Standby RedoLogs to the cascaded Standby Database. The Data Guard Broker now supports Cascaded Standby Databases, too.
Now cascaded standby database in real time. A first standby database can be transmitted from the standby redo logs redo cascade to the standby database. Data Guard Broker now supports cascading standby database.
Note 1542969.1: Cascaded Standby Databases in Oracle 12c
Automated Rolling Upgrades using DBMS_ROLLING-Package use DBMS_ROLLING-Package automated rolling upgrade
Parts of a Rolling Upgrade can now be automated using a new Package called 'DBMS_ROLLING'. Now, with the new program can be called "DBMS_ROLLING" portion of the package to automatically rolling upgrade
Rolling the Data Guard Broker Support at The Upgrades, TOO. The Data Guard Broker also supports rolling upgrades
Oracle® Data Guard, Concepts and Administration, 12c Release 1 (12.1)
Chapter 14: Using DBMS_ROLLING to Perform a Rolling Upgrade
Administration Privilege SYSDG SYSDG administrative privileges
It is possible to grant the SYSDG-Privilege to a User in order to perform Data Guard-related Operations. The full SYSDBA-Privilege is not required any more to manage a Data Guard Environment, but can still be used, of course.
SYSDG can grant privileges to users to perform the operations associated with Data Guard. Management Data Guard environment no longer requires a full SYSDBA-Privilege, but you can still use it
Note 1543327.1: Data Guard Security Enhancement – SYSDG Administration Privilege
Online Movement of Online Datafiles online data file online mobile
You can now move Online Datafile without haveg to stop Managed Recovery and manually copy and rename Files. This can even be used to move Datafiles from or to ASM
You can now move without stopping Online Datafile stop Managed Recovery and manually copied and renamed Files. It can even be used to transfer data into or move files from ASM ASM
Note 1543367.1: Moving a Datafile to a different Location on a Physical Standby Database
Multitenant Database Support multi-tenant database support
The Physical Standby Database Guard the Supports the Data A multitenant Database for the Data Guard support multi-tenant database physical standby database
Creating a Physical Standby from Primary on Version 12c (Doc ID 1570958.1)