The run-time object model and the storage schema differ significantly. These differences are most apparent when you query a repository database for information about relationships. In fact, the storage of relationships and the run-time manipulation of relationships differ significantly.
The repository engine uses the RTblRelships table to store information about relationships. An individual row of the table can be any of the following:
- A description of an individual version-to-version relationship
- A description of a set of version-to-version relationships
- A description of sequencing and pinning information for a single origin-versioned relationship