Question
MIS 560 Database Management Systems- Discussion Forum (DQ) 1. What does it mean to say that a database displays both entity integrity and referential integrity?
MIS 560 Database Management Systems- Discussion Forum (DQ)
1. What does it mean to say that a database displays both entity integrity and referential integrity? Why are entity integrity and referential integrity important in a database?
2. What is a derived attribute? Give an example. What are the advantages or disadvantages of storing or not storing a derived attribute?
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Managing Operations Across The Supply Chain
Authors: Morgan Swink, Steven Melnyk, Janet L. Hartley, M. Bixby Cooper
4th Edition
1260547639, 978-1260547634
