Data Solutions- Karm Upadhyay Zoheb Khan Swati Shukla AutoWorld

Agenda Business Requirements Context Diagram Level 0 DFD Level 1 DFD 11/24/2018

Business Requirements To develop a web based interface integrating ERP systems which offers the ability to Search, update, and delete inventory based on user roles Obtain inventory pricing Issue requisition of stock and purchase orders Logical security Real time update on centralized database Off site backup for disaster recovery 11/24/2018

Context Diagram Entities Process Administrator Employee Supplier Customer Process Inventory 11/24/2018

Context Diagram 11/24/2018 Inventory System EMPLOYEE CUSTOMER SUPPLIER Inventory System EMPLOYEE CUSTOMER SUPPLIER ADMINISTRATOR UPDATE-INVENTORY LOGIN-AUTHENTICATION PURCHASE-ORDER VERIFIES-INVENTORY ORDER INVOICE SHIPMENT PURCHASE- USER-ACCESS-RIGHTS 11/24/2018

Level 0 DFD Entities Processes Sales Processing Employee Customer Supplier Data Stores Sales Inventory Purchase Order Vendor Sales Processing Generate Invoice Payment Processing Update inventory Reorder Stock Processing of Shipment Physical Inventory 11/24/2018

Level 0 DFD 11/24/2018 Customer 1 Sales Processing Order Generate Invoice Quantity- Sold Sales- Data Inventory- Sold-info Purchase- 4 Update Inventory Reorder- Level 5 Reorder Stock Update- Vendor Vendor- Purchase Stock-num- Description-and-price 7 Physical Employee Stock- Num- Description- And- Price 6 of shipment Quantity-sold Receives Purchase -order Check-inventory Supplier 2 Access- PO- Information- RFID- Scan - Inventory Information 3 Payment Payment- Detail 11/24/2018

Level 1 Processes Data Stores Auto Processing Physical Ordering Selecting Supplier process Entities Employee Supplier Inventory Vendor Purchase Order 11/24/2018

Level 1 DFD 11/24/2018 Inventory Information to order Vendor- Data Place-order Order- Detail Purchase- Order Purchase Employee Supplier 5.1 Auto Processing 5.2 Physical Ordering Inventory 5.3 Selecting supplier Process Vendor Reorder-level Inventory Information to order 11/24/2018

Questions 11/24/2018