XML-Enabled Relational Database for XML Document Update

With increasing demands for a proper and efficient XML data storage, XML-enabled database (XEnDB) has emerged as one of the popular answers. It claims to combine the strengths and limit the shortcomings of the traditional database management systems and native XML database. The implication is more research need to be done for this database family. This paper focuses on the XML update management in XEnDB. Our aim is to preserve the conceptual semantic constraints in XML data during update operations. The constraints are classified and represented in SQL/XML schema. Then, we propose the update methodology that utilizes the proposed schema and implement the method in one of the current XEnDB products