No, it doesn't mean he's right. The "normal forms" could merely be suggestions for a database designer, not a technical limitation enforced by the software itself.
No one has provided convincing evidence that Codd intended to exclude nested tables entirely. People seem to be conflating i) good database design, as suggested by Codd ii) the feature-set of a DBMS, also as suggested by Codd.
No one has provided convincing evidence that Codd intended to exclude nested tables entirely. People seem to be conflating i) good database design, as suggested by Codd ii) the feature-set of a DBMS, also as suggested by Codd.