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Oracle Database 12c Backup and Recovery Survival Guide by Aman Sharma, Francisco Munoz Alvarez

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Summary

In this chapter, we refreshed some very important topics regarding backup and recovery basics. We started with understanding the purpose of backup and recovery, all the way to types of backups and the differences between redo and undo. If you are still a little confused about some of these topics, don't worry as most of them will be explained in more detail in the following chapters of this book.

In the next chapter, we will see in more depth why redo is so important to the recoverability of our data, why the NOLOGGING operations can be dangerous, and how to use them.

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