This article showcases how the new XML storage and query environment plays into the XML data model from Part 1.

本文讨论新的 XML 存储和查询环境如何处理本系列 第 1 部分 中的 XML 数据模型。

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It enables developers to query and manipulate data using a conceptual model instead of a physical storage model.

它支持开发人员使用概念模型查询和操作数据，而无需使用物理存储模型。

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To efficiently manage XML data, like traditional SQL data types, DB2 USES the XML data model internally, as the logical data model and as the fundamental unit of physical storage.

为了高效地管理XML数据，像传统的SQL数据类型一样，DB 2在内部使用XML数据模型作为逻辑数据模型，同时也作为物理存储的基本单元。

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This model is driving the growth of digital storage in data centers and thus the sale of hard disk drives, tape storage and flash memory used in enterprise storage tiers for these data centers.

FORBES: Changing Digital Storage Requirements for Clouds and Mobile Devices