text book Modern Database Management

12 edition

page 101

2-27 you may have been assigned a CASE or a drawing tool to develop conceptual data models. using this tool, attempt to redrew all the E-R diagrams in this chapter. what difficulties did you encouter? what E-R notations did not transalte well to you tool? how did incorproate the E-R notation that did not directly translate into the tool's notation?