Jonathan Bruce

Few serious database applications are considered enterprise-worthy without a core database engine backed by a normalized and optimized relational database architecture. Traditionally, such database applications rely on SQL statements to retrieve and update data in the back-end data source. This well-established model continues to have strategic importance and is the basis for the continued growth of object/relational mapping and its associated persistence mechanisms. What is object/relational mapping (O/R mapping)? It's a programming technique that links a relational database to object-oriented language concepts. O/R mapping mechanisms allow a developer to create Java objects using an object-oriented perspective, eliminating the impedance mismatch that exists between obj... (more)

SOA and XQuery

The rise in prominence of Service Oriented Architectures (SOA) has triggered a storm of debates on how best to build enterprise SOA-based applications and establish a predominant industry position. In the meantime, the W3C XQuery language is accelerating toward "Recommendation" status; although comparatively little time has been spent debating XQuery-s role in SOA, I expect that its risi... (more)