CHAPTER 3Redo Processing

The backbone of any physical standby database is essentially its ability to recover from crashes and other mishaps. Before we go too deep into Data Guard physical standby and its architecture, you need to understand how redo is generated and how Oracle’s recovery methodology is leveraged in physical standby databases.

This chapter discusses redo recovery essentials, and at the end of the chapter, we will piece it all together by describing the life of a transaction. This chapter also covers best practices and tools to improve managed recovery rates as well as briefly review the 11g corruption detection failures.

Important Concepts of Oracle Recovery

Recovery deals mainly with redo, data that recovery can use to reconstruct ...

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