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Oracle Application Express Administration: For DBAs and Developers by Luc Demanche, Francis Mignault

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© Francis Mignault and Luc Demanche 2016

Francis Mignault and Luc Demanche, Oracle Application Express Administration, 10.1007/978-1-4842-1958-4_6

6. High Availability

Francis Mignault and Luc Demanche2

(1)Insum Solutions, Montréal, Québec, Canada

(2)Montréal, Québec, Canada

The availability of an application is measured by how it’s perceived by the users. They can get frustrated when they expect the application and data to be available, when it is not. The user who wants the application to be always up and running needs high availability. Oracle offers different strategies to deploy high availability environments. Real Application Cluster (RAC) and Data Guard are the main technologies and are designed to provide uninterrupted computing service during ...

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