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This article reports on the proceedings of an Association for Computing Machinery (ACM)'s SIGFIDET Workshop on Data Description, Access and Control which was convened in Ann Arbor, Michigan, during May 1-3, 1974. The convention featured a debate on the differences and similarities between the data structure set model and the relational model for data management systems. Educators C. W. Bachman and E. F. Codd were the two principals in the debate who were joined by E. Sibley and J. Lucking, on the one side, and V. K. Whitney and D. Tsichritzis, on the other. The moderator was R. Rustin. The discussion ranged over most of the relevant issues and topics, except possibly one posed by the moderator beforehand, that is, "Do databases eat their young?" Bachman took the position that the two points of view are perhaps two sides of the same coin, and that which is more natural depends on stylistic preferences. Other sessions on several related subjects featured contributed papers.