XML database has been an important part of the field of databases, but its business products are put into effect mainly based on the relational databases,which definitely bring in some troubles. Facing the situation of storing XML data in relational databases,a new XML index code is provided, with which the problem of integrating full text retrieval technology and XML structural join querying in relational databases is resolved, and XML querying can be expedited with the help of full text retrieval. The solution is used in an actual software developing program which has well dealt with the management of relational database store of XML documents and shows a good querying efficiency.%XML数据库已经成为数据库领域的重要成员,但是在商业数据库产品中它主要构建在关系数据库基础之上,这自然引入很多难题.针对XML的关系数据库存储,提出一种新的XML索引编码,解决了在关系数据库中集成全文检索技术和XML结构连接查询算法的问题,同时借助全文检索技术达到XML查询加速的效果.该方案应用于实际软件开发项目中.很好地解决了XML文档的关系数据库存储管理工作,并且具有很高的查询效率.
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