What is Data Guard replication?

When to use Active Data Guard: Active Data Guard provides the best data protection and availability for Oracle Database in the simplest most economical manner by maintaining an exact physical replica of the production database at a remote location that is open read-only while replication is active.

What is LNS and RFS in Data Guard?

LNS process of primary database captures redo from redo log buffer. RFS process then writes that redo information to standby redo log files.

What is Active Data Guard in Oracle 11g?

Oracle Active Data Guard, an option of Oracle Database 11g Enterprise Edition is a simple, high performance solution that protects your Oracle Database against planned and unplanned downtimes, by allowing you to offload resource workloads from your production database to one or more synchronized standby databases.

How is Active Data Guard license?

Data Guard is a feature of the Oracle Database Enterprise Edition itself and does not require separate licensing. On the other hand, Active Data Guard is a so-called Oracle Database Enterprise Edition Option and as such requires separate licensing.

What are types of Data Guard?

An Oracle Data Guard configuration can include any combination of these types of standby databases….2.1 Standby Database Types

1 Physical Standby Databases. A physical standby database is an exact, block-for-block copy of a primary database.
2 Logical Standby Databases.
3 Snapshot Standby Databases.

What is Active Data Guard Oracle?

What is the difference between Active Data Guard and Data Guard?

What is the data replication status in Oracle Data Guard?

In Oracle Data Guard, a data replication resource is enabled when the protection group is activated in the cluster. Consequently, in Oracle Data Guard, in a cluster in which the protection group is deactivated, the data replication status appears as unknown.

What is active data guard 19C?

8 WHITE PAPER / Oracle (Active) Data Guard 19c HOW DATA GUARD SYNCHRONIZES STANDBY DATABASE(S) A Data Guard configuration includes a production database referred to as the primary database, and up to 30 directly connected replicas referred to as standby databases.

Do I need to purchase Active Data Guard with Oracle Database 11g?

No. An Oracle Database Enterprise Edition license is the only license required to use Data Guard features other than those explicitly included with the Active Data Guard Option as described in the table above. I am already using Data Guard 10g, do I need to purchase Active Data Guard when I upgrade to Oracle Database 11g?