When should data be set to disk for safekeeping during the ETL?

简述ETL过程中哪个步骤应该出于安全的考虑将数据写到磁盘上?

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At which stage of the ETL should data be profiled?

简述应该在ETL的哪个步骤来实现概况分析?

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Giving the particular analyse on theme model and ETL.

并对主题模型和ETL做出了详细的分析.

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What are the four basic Data Flow steps of an ETL process?

在ETL过程中四个基本的过程分别是什么?

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This paper emphasized on discussing the data transform and the data quality in the ETL technology.

结合应用重点探讨了ETL技术中的数据转换技术及数据质量问题.

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What is a logical data mapping and what does it mean to the ETL team?

什么是逻辑数据映射?它对ETL项目组的作用是 什么 ?

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Then, Discussing the essential technology of constructing data extract package -- DTS Programming technology.

接着, 讨论了构筑ETL工具 数据抽取包的关键技术 —— DTS编程技术.

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