- Secure Payment Guarantee
Consider the two ERDs above, both which describe relationships between Customer, Store, and Credit Card entities
Interpret the meaning of the left most ERD above, using the same criteria as in the previous problems The right most ERD includes a ternary relationship as described in section 12.6.4 on pages 339 through 340 of your textbook. What is the difference between the relationships described between the right most and left most ERDs. In particular, what is implicit in the way a customer must shop according to the right most ERD?