Specification and Validation of the Referential Integrity Constraint in XML Databases
Specification and Validation of the Referential Integrity Constraint in XML Databases
复制标题
XML 数据库中引用完整性约束的规范和验证
DOI：
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发表时间：
2016
期刊：
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通讯作者：
Slavica Kordić
中科院分区：
文献类型：
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作者：
Jovana Vidaković;I. Luković;Slavica Kordić
引用完整性约束（RIC）是存在于每个数据模型中的关键约束之一。当前的XML数据库管理系统（XML DBMS）不完全支持这种类型的约束。XML文档的结构可以包含关于元素之间关系的信息，但是现代XML DBMS在数据库操作执行期间不执行自动RIC验证。因此，有必要实现和执行其他操作，以提供对引用完整性约束的全功能验证。本文讨论了XML文档的不同结构，以及它们对引用完整性约束的影响。我们还介绍了它在XML数据库中的两种实现方式：使用XQuery函数和触发器。这些技术对应于选定的XML DBMS的特征。
The referential integrity constraint (RIC) is one of the key constraints that exists in every data model. Current XML database management systems (XML DBMSs) do not completely support this type of constraint. The structure of an XML document can contain the information about the relationship between elements, but modern XML DBMSs do not perform automatic RIC verification during database operations execution. It is therefore necessary to implement and perform additional actions to provide a fully functional validation of the referential integrity constraint. In this paper we discuss different structures of XML documents, and their impact on the referential integrity constraint. We also present two types of its implementation in XML databases: using XQuery functions and triggers. Those techniques correspond to the characteristics of a selected XML DBMS.