For the historical reasons, corporate data are commonly kept in the forms of file, relation database and document database, etc.

由于历史的原因，企业数据一般由文件、关系型数据库、文档型数据库等构成。

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The data produced in makeup process of the technique file and the transferring data in the technique resources base are saved in user database, and eight databases are set up with the relation type.

前者可存放工艺文件编制过程中所产生数据及工艺资源库中的调用数据，采用关系型，建立八个数据库。

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We use standard XML module to express the data exchange and design the converting script XML file to describe the reflection relation between relational module and XML module.

提出了用标准XML模式作为交换单据的数据表示；详细探讨了描述关系模式与XML模式之间映射关系的转换脚本XML文档；

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