Page 34 - AIS access_chang_ingraham

32 CHAPTER 2 DATA MODELS AND RELATIONAL DATABASES

Sales

Invoice_No Date Salesperson_No Customer_No Amount

101 4/03/2006 101 1000 1549.90
102 4/05/2006 103 1003 299.85
103 4/05/2006 103 1002 1449.80
104 4/15/2006 104 1000 799.90
105 4/15/2006 102 1005 849.95
106 4/16/2006 102 1007 99.95
107 5/02/2006 101 1002 2209.70
108 5/03/2006 103 1000 799.90

Sales-Inventory

Invoice_No Item_No Quantity Extension

101 1025 1 699.95
101 1035 1 849.95
102 1045 3 299.85
103 1010 1 29.95
103 1015 1 19.95
103 1025 2 1399.95
104 1025 1 699.95
104 1045 1 99.95
105 1035 1 849.95
106 1045 1 99.95
107 1030 1 999.95
107 1035 1 849.95
107 1040 2 159.90
107 1045 2 199.90
108 1025 1 699.95
108 1045 1 99.95

Cash Collections

Rimittance_No Date Amount Invoice_No Cashier_No Customer_No
220 5/02/2006 1549.90 101 203 1000
278 5/10/2006 799.90 108 202 1000
276 5/30/2006 2209.70 107 202 1002
289 5/30/2006 849.95 105 204 1005

2.2 Cardinalities
Considering each business situation, indicate the maximum and minimum cardinalities for the
following events. The first one is done for you.