Depending on the kind of data history that the DBA wants to maintain, this data delete interval should be set.
应该根据DBA希望维护的数据历史类型设置数据删除时间间隔。
This module is the core of system, its functions include data acquisition, dynamic data exchange, data operation, data statistics, data storage, reasonability check and data delete etc.
该模块是系统数据分析的核心部分，主要完成数据采集和动态数据交换以及数据运算、统计、存储、合理性检查、删除等功能。
This module is the core of system, its functions include data acquisition, dynamic data exchange, data operation, data statistics, data storage, reasonability check and data delete etc.
该模块是系统数据分析的核心部分，主要完成数据采集和动态数据交换以及数据运算、统计、存储、合理性检查、删除等功能。
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