The approach generally fits well with a data warehouse system since all data is in one table without the need for table joins.
这种方法通常比较适合数据仓库系统，因为所有数据都在一张表里，不需要做表连接。
The target system for C4ISR system efficiency evaluation is established, a data warehouse system is set up based on the data's character such as great capacity and not structural.
建立了C4ISR系统效能评估的指标体系，根据对整个C4ISR系统进行效能评估需要数据的海量、非结构等特点，建立了一个数据仓库系统。
ETL is often used to extract data from the source system, transform data into a compatible format with the target system, and then load into a target system, such as a data warehouse or data mart.
etl常用于从源系统中提取数据，将数据转换为与目标系统相兼容的格式，然后将其装载到目标系统中，例如数据仓库或者数据市场。
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