Electronic Commerce and Transaction Processing Systems Chapter 5
- Slides: 44
Electronic Commerce and Transaction Processing Systems Chapter 5 Fundamentals of Information Systems, Second Edition 1
Learning Objectives • Identify several advantages of ecommerce. • Identify some of the major challenges companies must overcome to succeed in e -commerce. • Identify several e-commerce applications. Fundamentals of Information Systems, Second Edition 2
Learning Objectives • Outline the key components of technology infrastructure that must be in place for ecommerce to succeed. • Discuss the key features of the electronic payments systems needed to support ecommerce. • Identify the major issues that represent significant threats to the continued growth of e-commerce. Fundamentals of Information Systems, Second Edition 3
Learning Objectives • Identify the basic activities and business objectives common to all transaction processing systems. • Discuss the importance of business resumption planning and disaster recovery for key transaction processing systems. Fundamentals of Information Systems, Second Edition 4
Learning Objectives • Define the term enterprise resource planning system and discuss the advantages and disadvantages associated with the implementation of such a system. Fundamentals of Information Systems, Second Edition 5
Introduction to Electronic Commerce Fundamentals of Information Systems, Second Edition 6
E-Commerce • Business-to-consumer – Example: Bookstore selling books to customers (amazon. com) – Annual online spending in 2002 was $85 billion • Business-to-business – Example: A data processing company handling data services for a company (adp. com) – $5. 3 trillion impact by 2005 • Consumer-to-consumer – Example: A customer selling goods to another customer (e-bay. com) Fundamentals of Information Systems, Second Edition 7
Why Use E-Commerce? • • Cut transaction costs Speed flow of goods and information Improve customer service Coordinate manufacturers, suppliers, and customers Fundamentals of Information Systems, Second Edition 8
Supply Chain Management Fundamentals of Information Systems, Second Edition 9
Value Chains in E-Commerce • Conversion to e-commerce supply chain management provides businesses with an opportunity to: – increase revenues or decrease costs by eliminating time-consuming and labor-intensive steps throughout the order and delivery process – improve customer satisfaction by enabling customers to view detailed information about delivery dates and order status – reduce inventory including raw materials, safety stocks, and finished goods Fundamentals of Information Systems, Second Edition 10
Product and Information Flow for HP Printers Ordered Over the Web Fundamentals of Information Systems, Second Edition 11
E-Commerce Applications Fundamentals of Information Systems, Second Edition 12
E-Commerce Applications • Retail and Wholesale: www. estore. com. tr/ • • Manufacturing: www. covisint. com/ Marketing: www. doubleclick. com Investment and Finance: www. garanti. com. tr/ Auctions: www. gittigidiyor. com • Price comparison: www. google. com/froogle Fundamentals of Information Systems, Second Edition 13
Retail and Wholesale • Electronic retailing - the direct sale from business to consumer through electronic storefronts • Cybermall - a single Web site that offers many products and services at one Internet location Fundamentals of Information Systems, Second Edition 14
Model of an Electronic Exchange Fundamentals of Information Systems, Second Edition 15
Web Sites Useful to Investors Fundamentals of Information Systems, Second Edition 16
Popular Stock Tracker Web Sites Fundamentals of Information Systems, Second Edition 17
Technology, Infrastructure, and Development Fundamentals of Information Systems, Second Edition 18
Key E-Commerce Technical Components Fundamentals of Information Systems, Second Edition 19
Hardware • The amount of storage capacity and computing power required of the Web server depends primarily on two things: – the software that must run on the server – the volume of e-commerce transactions that must be processed Fundamentals of Information Systems, Second Edition 20
Software (1) • Web server software – Apache Server – Microsoft Internet Information Server • Web site development tools – Front. Page, Net. Studio • Web page construction software – Static Web page: Always the same information (ISE 100 Web page) – Dynamic Web page: Content created based on demand (Google search results) Fundamentals of Information Systems, Second Edition 21
Software (2) • Database management system – SQL Server – Oracle • E-commerce software – Catalog software – Product configuration software – Electronic shopping cart Fundamentals of Information Systems, Second Edition 22
Catalog Management Software • Combines product data formats into a standard format • Creates a central repository of product data • Catalog resides on a database • Amazon’s book, music catalog Fundamentals of Information Systems, Second Edition 23
Product Configuration Software • Allow buyers to build the products they want to buy • www. dell. com lets you choose parts of the computer separately • Better customization, better sales Fundamentals of Information Systems, Second Edition 24
Electronic Shopping Cart • Track items selected for purchase • Let buyers modify their choices (add or delete items) • Let buyers “checkout” (begins a purchase transaction) • Wish list Fundamentals of Information Systems, Second Edition 25
Electronic Shopping Cart Fundamentals of Information Systems, Second Edition 26
Electronic Payment Systems • Electronic cash – Money that is “computerized” – Used as cash in e-commerce transactions • Electronic wallets – Holds credit card, e-cash, address information – Automatically handles checkout • Credit, charge, debit, and smart cards Fundamentals of Information Systems, Second Edition 27
An Overview of Transaction Processing Systems Fundamentals of Information Systems, Second Edition 28
TPS, MIS/DSS, and Special-Purpose Information Systems Fundamentals of Information Systems, Second Edition 29
Traditional Transaction Processing Methods • Batch processing – method of computerized processing in which business transactions are accumulated over a period of time and prepared for processing as a single unit • On-line transaction processing (OLTP) method of computerized processing in which each transaction is processed immediately and the affected records are updated Fundamentals of Information Systems, Second Edition 30
Batch versus On-Line Processing Fundamentals of Information Systems, Second Edition 31
Integration of a Firm’s TPSs Fundamentals of Information Systems, Second Edition 32
Transaction Processing Activities • Data collection: Capturing data necessary for the transaction • Data editing: Check validity and completeness – Ex: 400 hours/week instead of 40 hours/week • • Data correction: Correct the wrong data Data manipulation: Calculate, summarize Data storage: Update transactions Document production and reports: Create end results (paychecks) Fundamentals of Information Systems, Second Edition 33
Data Processing Activities Common in Transaction Processing Systems Fundamentals of Information Systems, Second Edition 34
Point-of-Sale Transaction System Fundamentals of Information Systems, Second Edition 35
Systems that Support Order Processing System Order entry Sales configuration Shipment planning Purpose Data for order Ensure enough products Which order from which location Shipment execution Inventory control Invoicing and billing Customer management Routing and scheduling Right products on time Reflect exact quantity Generate customer invoice Monitor customer contact Best way to move products Fundamentals of Information Systems, Second Edition 36
Order Processing Systems Fundamentals of Information Systems, Second Edition 37
Business Resumption Planning The process of anticipating and minimizing the effects of disasters. • Focuses primarily on two issues: – maintaining the integrity of corporate information – keeping key information systems running until normal operations can be resumed • Disaster recovery – implementation of the business resumption plan Fundamentals of Information Systems, Second Edition 38
Enterprise Resource Planning Fundamentals of Information Systems, Second Edition 39
Some ERP Software Vendors Fundamentals of Information Systems, Second Edition 40
Commonalities Among ERP Systems • Integrate data: Enter data once; access everywhere • Operate in Client/Server Environment • Based on Objects: – Uses object-oriented approach – Easy to extend • Employ Tables: – System configuration table: Defines how the system is set up – Control table: Defines functions that help the user • Does not allow a non-existing product to be purchased – Application data table: Content-related data Fundamentals of Information Systems, Second Edition 41
Advantages of ERP • Elimination of costly, inflexible legacy systems – Single integrated system • Improvement of work processes – Support best practices: Most efficient and effective way of carrying out a business process • Increase in access to data for operational decision making – A sale is reflected in inventory control • Upgrade of technology infrastructure – Uniform platform Fundamentals of Information Systems, Second Edition 42
Disadvantages of ERP • Expense and time in implementation • Difficulty integrating with other systems • Risks in using one vendor Fundamentals of Information Systems, Second Edition 43
Summary • E-commerce – includes business-to-business (B 2 B), business-toconsumer (B 2 C), consumer-to-consumer (C 2 C). • Transaction Processing Systems (TPSs) - consist of all the components of a CBIS, including databases, telecommunications, people, procedures, software, and hardware devices to process transactions. • Business resumption plan – anticipates and minimizes the effects of disasters. • Disaster recovery – implements disaster resumption plan. Fundamentals of Information Systems, Second Edition 44
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