home work

Project Description:

a) the database table layout of an ordering system is illustrated figure 13.24 (kendall & kendall, page 381), draw an e-r diagram for the ordering system.
b) draw a logical data flow diagram 0 for placing an order based on the above e-r diagram. the recommended major processes are as follows:
process names:
(1) enter new order
(2) read customer master
(3) add order record
(4) read item record
(5) create item order record
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