通过影响分析，可以了解这一修改会影响到的其他数据文件、数据库字段、作业和BI报告。

Impact analysis offers a better understanding about other data files, database fields, jobs, and BI reports that this change will affect.

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关于节点、资源和作业的所有信息都在作业管理器的数据库中维护。

All the information pertaining to nodes, resources, and jobs are maintained in a database at the job manager.

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作业对各订单id执行一次数据库查询。

The job performs a database query for each order ID.

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