Oracle Design by Dave Ensor and Ian Stevenson Following are the changes made in the 8/99 reprint: {80} Figure 3-17: The boxes for "DEPARTMENT" and "EMPLOYMENT" have been switched. {81} Figure 3-18: The relationship shown is reversed. The words "mananged by" and "the manager of" have been switched. {81} in the first complete sentence (lines 1-3): "In other words, the subtypes must be mutually exclusive, and there cannot be any occurances of the subtype which do not belong to a subtype." the last word now reads "supertype" rather than "subtype"