Titlebook: Database and XML Technologies; Third International Stéphane Bressan,Stefano Ceri,Rainer Unland Conference proceedings 2005 Springer-Verlag

扫兴

Intruder

Condense

countenance

不真

propose

AVERT

bioavailability

Relational Index Support for XPath Axesuilt on top of the B.-tree which is available in practically all commercial relational database systems. For most of the basic axis steps, we are able to derive theoretical worst case execution time bounds. We also perform experimental evaluation to substantiate those bounds.

掺和

Supporting XPath Axes with Relational Databases Using a Proxy Indexor any other XML query language, the relational schema must allow fast retrieval of the parents, children, ancestors, or descendants of a given set of nodes. Most of the previous work has aimed at this goal using pre-/postorder encoding. Relying on this method, however, may lead to scalability probl

absolve