Be sure to work with your DBA to ensure you accumulate statistics at the appropriate time, especially in a production environment.
一定要与您的dba一起工作以确保在适当的时候积累统计信息，尤其是在生产环境中。
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Following implementation of integration components, the BPM layer provides capture and delivery of event data and statistics, which can also be input back into the modeling environment.
In order to address the latter question, the federation server must also utilize a range of information about the operational environment as well as statistics of the source databases.