CHAPTER 6High Availability and Backup Strategies

The continuous availability of business-critical information is a key requirement for enterprises to survive in today’s information-based economy. Enterprise database systems managing critical data such as financial and customer information, and operational data such as orders, need to be available at all times. Making important business decisions based on these systems requires the databases storing this data to provide high-service uptime with enhanced reliability.

When the loss of data or the database service occurs due to planned events such as software patching and upgrading, or due to unforeseen events such as media failures, data corruption, or disasters, the data and the database service ...

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