At last, the study has established an interface specification between relational schema and XML schema initially, unified the mode of operation among heterogeneous data sources.
初步建立起一种关系模式到XML模式的接口规范，实现异质数据源模式的统一操作。
At last, the study has established an interface specification between relational schema and XML schema initially, unified the mode of operation among heterogeneous data sources.
初步建立起一种关系模式到XML模式的接口规范，实现异质数据源模式的统一操作。
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