Comments, with reply, on 'The universal-relation data model for logical independence' by M. Vardi

The commenter contends that the universal-relation data model proposed in the above mentioned paper (ibid., vol.5, no.2, p.80-5, Mar. 1988) fails completely as an alternative to the relational data model, and presents supporting arguments. The author replies that the commenter has read into the article claims that are not there and rebuts the commenters arguments point by point. >