Presentation Overview: This presentation descibes how to maintain multiple transitive closures in a taxonomy of connections. Transitive closure maintenance is driven by connection types. This advanced TCSQL features enables the use of more generalized superclass connections when writing queries.

Slide Presentation: Connection-Taxonomy-Based Transitive Closure Maintenance

Prerequisite Video Presentation: Graph Navigation in a RDBMS
Prerequisite Video Presentation: Support of OOP Directly in a RDBMS