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Oracle Database 11g Oracle Real Application Clusters Handbook, Second Edition by K Gopalakrishnan

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Understanding Services

Services are used to manage the workload in an Oracle RAC environment. They provide a logical approach to group a workload so that users employing the same set of data, functionalities, and service-level requirements can be grouped together to use the same services. For example, an online transaction processing (OLTP) service can be defined for the users who execute small, short-lived transactions; a BATCH service can be defined for users executing long-running batch transactions; a data warehousing (DW) service can be defined for users using data warehousing features; and so on. Another useful way to group users could be according to the type of functionalities used, such as sales, human resources, order entry, and so ...

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