West Gulf Marine Online Ordering System – Data Modeling and Program Design presentation Paul Swanson Khoa Huynh Sosheel Saleem.

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West Gulf Marine Online Ordering System – Data Modeling and Program Design presentation Paul Swanson Khoa Huynh Sosheel Saleem

Data Dictionary Form: Data Store System: West Gulf Marine ID: D1 Label: Customer Description: Contains customer information input by the user (customer, ship chandler, data entry clerk, etc.) that can later be confirmed Characteristics: Primary key: Customer_ID Comments: The customer data store keeps all of the customer information. It holds 13 data elements.

Data Dictionary Form: Data Store System: West Gulf Marine ID: D2 Label: Purchase History Description: Contains all of the purchase history information input by the user (customer, ship chandler, data entry clerk, etc.) that can later be confirmed. Characteristics: Primary key: Customer_ID, Invoice_Number Comments: The Purchase History data store keeps all of the customer Purchase History information. It holds 5 data elements.

Data Dictionary Form: Data Store System: West Gulf Marine ID: D3 Label: Products Description: Contains all of the products information input by the user (customer, ship chandler, data entry clerk, etc.) that can later be confirmed. Characteristics: Primary key: Product_ID, Comments: The Products data store keeps all of the product information. It holds 5 data elements.

Data Dictionary Form: Data Store System: West Gulf Marine ID: D4 Label: Vendor Description: Contains all of the vendors information input by the user (customer, ship chandler, data entry clerk, etc.) that can later be confirmed. Characteristics: Primary key: Vendor_ID, Comments: The Vendor data store keeps all of the vendor information. It holds 7 data elements.

Data Dictionary Form: Data Store System: West Gulf Marine ID: D5 Label: Invoice Description: Contains all of the invoices information input by the user (customer, ship chandler, data entry clerk, etc.) that can later be confirmed. Characteristics: Primary key: Invoice_Number, Customer_ID, Product_Desc Comments: The Invoice data store keeps all of the Invoice information. It holds 8 data elements.

Data storage System Overview External Entity External Entity

ER Diagram

Structure Chart