System Data Recovery

The final goal of the Data Recovery process is to ensure
that all committed transactions prior to the database failure
are fully recovered and are reflected once the instance
is re-started.

To initiate a data base recovery,some pre-recovery steps
should be completed

1. Identifying the type of error and determining a fast and
effective action to take. Most common errors are:

- User
- Process
- Instance
- Media

2. Risk Measure : identifying the risks associated with the
database failure ( Business data loss )

3. Identification of Data Recovery Mode