For instance, suppose each test in the class USES a database connection, a network connection, a very large data structure, or some other resource that's expensive to initialize or dispose of.

例如，假设类中的每个测试都使用一个数据库连接、一个网络连接、一个非常大的数据结构，或者还有一些对于初始化和事情安排来说比较昂贵的其他资源。

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Native XML storage means storing XML data intact with full database knowledge of each document's internal hierarchical structure and individual elements and attributes.

原生 XML 存储指的是存储完整的 XML 数据，即存储每个文档的内部层次结构以及各个元素和属性的所有数据库内容。

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Adding a direction to an edge ultimately creates a so-called property graph which represents the explicit structure of data inside a graph database.

为边增加方向最终会创建一个属性图，它代表图形数据库中的明确结构。

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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