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在11g中,Real Application Testing(RAT)是一个独立的收费选项,所以当我们需要订购此项服务时,我们该了解该服务有那些限制,否则付了钱,发现有许多地方存在或多或少的冲突,有些冲突的消除可能要花费更大的成本,所以在上项目前,可行性技术研究是必不可少的,如果想使用RAT,需要关注现有的数据库系统是否涉及到如下技术:
Workload Capture Restrictions: ■ Direct path load of data from external files using utilities such as SQL*Loader ■ Shared server requests (Oracle MTS) ■ Oracle Streams ■ Advanced replication streams ■ Non-PL/SQL based Advanced Queuing (AQ) ■ Flashback queries ■ Oracle Call Interface (OCI) based object navigations ■ Non SQL-based object access ■ Distributed transactions (any distributed transactions that are captured will bereplayed as local transactions) ■ Remote DESCRIBE and COMMIT operations
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