A Figure 15.11 Entities are linked by relationships. places ( uMomcr order OistomiT order is filled from Inventory is replenished by Cardinality A ... Each student submits one answer sheet and each answer sheet is associated with one student, so the relationship between students and exams is one-to-one. ... Analysts often prepare an entity-relationship A Figure 15.12 An entity-relationship diagram.
|Title||:||Computers and information systems|
|Author||:||William S. Davis|
|Publisher||:||West Publishing Company - 1997|