Object Relationship Notation (ORN) allows relationship semantics to be specified to an object database management system (ODBMS) when relationships are represented as object-valued class attributes, both singly
The commonality of bulk-load, ETL, and stream processing, is that they should not rely on arbitrary database access. This would slow them down. Still, they must check the following sorts of things: Data types Presence of some required attributes Cardinality — e.g., a person has no mo...