High availability is implemented using a technology similar to SQL Server Always On availability groups. Design an application for cloud disaster recovery, Elastic pool disaster recovery strategies, Recover a database in SQL Database from an outage. The primary node constantly pushes changes to the secondary nodes in order and ensures that the data is synchronized to at least one secondary replica before committing each transaction. Access Visual Studio, Azure credits, Azure DevOps, and many other resources for creating, deploying, and managing applications. 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It provides 100% additional compute capacity at no extra charge to off-load read-only operations, such as analytical workloads, from the primary replica.