通常情况下，分类法专家会研究现有的数据库、Web站点、组织图表、产品线、其他遗留数据库、词汇列表和产品文档，从而了解现有的分类。

Typically, taxonomists look at existing databases, Web sites, organizational charts, product lines, other legacy databases, term lists, and product documentation to tease out existing categories.

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讨论了基于ORACLE数据库，采用分类编码体系的产品质量数据管理系统的设计与实施，对实现方法做了全面的论述。

Discusses the design and realization of product quality data management system based on sort coding and ORACLE database, and also analyses the whole way of the system.

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