What does Data Guard do?

Data Guard provides a comprehensive set of services that create, maintain, manage, and monitor one or more standby databases to enable production Oracle databases to survive disasters and data corruptions. Data Guard maintains these standby databases as transactionally consistent copies of the production database.

How does Active Data Guard work?

Data Guard automatically synchronizes the primary database and all standby databases by transmitting primary database redo – the information used by every Oracle Database to protect transactions – and applying it to the standby database.

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.

How many types of Data Guard are there?

There are mainly three types of standby databases available. 1. Physical Standby Database (and Active Data guard in 11gR2) : Physical Standby database is exact physical copy of primary database, block for block, Disk structures are same.

What is the use of Oracle Golden Gate?

Oracle GoldenGate is a software product that allows you to replicate, filter, and transform data from one database to another database. Using Oracle GoldenGate, you can move committed transactions across multiple heterogeneous systems in your enterprise.

How many data guards are there in Oracle?

With Oracle 11g Release 2, a single Oracle Data Guard configuration can contain up to 30 standby databases in 3 standby database configurations: physical, snapshot, and logical. All three types of standby databases can be Oracle RAC or single-instance, regardless of the configuration of the primary database.

How to turn on Data Guard?

Review system requirements. See System requirements for Microsoft Defender Application Guard to review the hardware and software installation requirements for Microsoft Defender Application Guard.

Enterprise-managed mode.

Install Application Guard.

How to start data guard services?

Disable FSFO

Change the failover target to the standby being switched over to

Enable FSFO

Switchover

How to check data Guard status?

Applies to: Information in this document applies to any platform.

Goal. To help identify if Active Data Guard (ADG) is enabled on a Standby database.

Solution. To view full details,sign in with your My Oracle Support account. Don’t have a My Oracle Support account?

How to safe guard my data?

Open Settings,then scroll down and tap the Privacy icon.

Select a permission,like Calendar,Location Services,or Camera.

Choose which apps should have access to that permission and remove the permissions for the apps you don’t want to have access.