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Microsoft® SQL Server 2012 Unleashed by Alex T. Silverstein, Chris Gallelli, Paul T. Bertucci, Ray Rankins

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Recovery Objectives

You need to understand two main recovery objectives: the point in time to which data must be restored to be able to successfully resume processing (called the recovery point objective) and the acceptable amount of downtime that is tolerable (called the recovery time objective). The recovery point objective (RPO) is often thought of as the time between the last backup and the point when the outage occurred. It indicates the amount of data that will be lost. The recovery time objective (RTO) is determined based on the acceptable downtime in case of a disruption of operations. It indicates the latest point in time at which the business operations must resume after disaster (that is, how much time can elapse).

The RPO and RTO ...

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