Presentation Overview: This presentation describes a variety of graph queries in a relational database. Query types include subsumption, path, inference, and polymorphism. These query types are based upon the use of transitive closure.

Slide Presentation: Graph Queries in a RDBMS

Demonstration: Path Query
Demonstration: Querying Cyclic Graphs
Demonstration: Related Concepts Query
Demonstration: Multidimensional Relationship Query



Presentation Overview: This presentation describes use of TCSQL for project management. Powerful path queries are shown in deriving the critical path of a project. The use of polymorphic queries demonstrate the ability to write queries that never break and never need modification despite process and project modifications.

Slide Presentation: Project Management

Prerequisite Video Presentation: Support of OOP Directly in a RDBMS

Demonstration: Path Query