The Output Step allows you to map the hierarchical data structure to a relational data structure.

Output Step 允许您将分层数据结构映射到关系数据结构。

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The paper mostly introduces the application design and functional model of the active-standby switch along with relational data structure from software system design aspect for similar application.

文章主要从软件系统设计方面主备切换的具体实现方案，功能模块的划分以及相应的数据结构方面进行了综合讨论，为类似设计提供了参考。

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Because of its regular structure, relational data is "dense" — that is, every row has a value in every column.

由于其规则结构，关系数据是“密集的”，即每一行中的每一列都有一个值。

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In a data warehouse, the main mode of access is a relational database storage paradigm, in which the structure of the data was predetermined at the time the database was designed.

FORBES: Big Data Requires a Big, New Architecture