Consider Case Study (2): World’s Trend Catalog Division. Case -2: World’s Trend Catalog Division World’s Trend is a mail order supplier of high-quality, fashionable clothing. Customers place orders by telephone, by mailing an order form included with each catalog, or via the Web site. When customer orders come in, the item master and the customer master files are both updated. If an item is out of stock, the inventory control department is notified. If the order is from a new customer, a new record is created in the customer master file. Picking slips are produced for the customer order and sent to the warehouse. A shipping statement is prepared. The process of shipping a customer order involves getting the goods from the warehouse and matching up the customer shipping statement, getting the correct customer address, and shipping it all to the customer. The customer statement is generated, and a billing statement is sent to a customer once a month. An accounts receivable report is sent to the accounting department. Step-1: Identify Entities • Customer • Inventory • Warehouse • Accounting Step-2: Identify Processes • Add Customer Info. • Add Customer Order • Produce Picking Slip • Prepare Shipping Statement • Ship Customer Order • Create Customer Statement • Produce Account Receivable Step-3: Identify Data Stores • Customer File • Items File If you know that THE parent process (3) – PRODUCE PICKING LIST have the following child subprocesses: 1. Read Item Record (from Items File) 2. Create Order Record (to Order Item File) 3. Sort Item by Location in Warehouse (to sorted orders file) 4. Get Customer Records (from Customer File) 5. Print Order Picking Slip Draw the child DFD (Level 3 Data Flow Diagram) for the mentioned process
Consider Case Study (2): World’s Trend Catalog Division.
Case -2: World’s Trend Catalog Division World’s Trend is a mail order supplier of high-quality, fashionable clothing. Customers place orders by telephone, by mailing an order form included with each catalog, or via the Web site. When customer orders come in, the item master and the customer master files are both updated. If an item is out of stock, the inventory control department is notified. If the order is from a new customer, a new record is created in the customer master file. Picking slips are produced for the customer order and sent to the warehouse. A shipping statement is prepared. The process of shipping a customer order involves getting the goods from the warehouse and matching up the customer shipping statement, getting the correct customer address, and shipping it all to the customer. The customer statement is generated, and a billing statement is sent to a customer once a month. An accounts receivable report is sent to the accounting department.
Step-1: Identify Entities • Customer • Inventory • Warehouse • Accounting
Step-2: Identify Processes • Add Customer Info. • Add Customer Order • Produce Picking Slip • Prepare Shipping Statement • Ship Customer Order • Create Customer Statement • Produce Account Receivable
Step-3: Identify Data Stores • Customer File • Items File
If you know that THE parent process (3) – PRODUCE PICKING LIST have the following child subprocesses:
1. Read Item Record (from Items File)
2. Create Order Record (to Order Item File)
3. Sort Item by Location in Warehouse (to sorted orders file)
4. Get Customer Records (from Customer File)
5. Print Order Picking Slip
Draw the child DFD (Level 3 Data Flow Diagram) for the mentioned process.
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