LD

1
Anthony Gabrielson HW 1 09/12/2006 CS 522
Figure 9.17
Figure 9.17 Legend LD LeDger SA SAle PC
Product Catalog PD Product Description RE
REgister CA CAshier CP Cash Payment CU
CUstomer ST STore IT ITem LI sales Line Item
LD
PC
PD
ST
CU

RE
CA
IT
SA
LI
CP
Figure 9.22
Figure 9.22 Legend LD LeDger SA SAle CA
CAshier RE REgister
1
1

• Assumptions
• The ledger will have a sale entry based on the
  cashier.
• The ledger will updated through sale(s).
• Cashier will be responsible for the sale and the
  register is strictly a vehicle.
• One cashier can use only one register at a time.

SA
LD


1
1
CA
RE