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CHAPTER4

Oracle Data Guard

In the previous chapter you were introduced to a number of different methods for performing data migrations and some of the pros and cons of those methods. In this chapter we will begin to look at some of those migration methods. When looking at the typical migration methods, many people don’t consider Data Guard at all. Migrating databases with Data Guard is very restrictive, but if you are able to use this method, it is quite effective.

Data Guard Overview

Data Guard is Oracle’s premier disaster recovery tool. By replicating log records and using the very efficient and fast recovery mechanism, one or more standby systems ...

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