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Systems Development Processes. Jason C. H. Chen, Ph.D. Professor of MIS School of Business Administration Gonzaga University Spokane, WA 99258 chen@gonzaga.edu. Information Engineering. MODELING ENTERPERISE DATA. Enterprise View. Coporate strategies/ goals etc. Congruent. Conceptual
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Systems Development Processes Jason C. H. Chen, Ph.D. Professor of MIS School of Business Administration Gonzaga University Spokane, WA 99258 chen@gonzaga.edu
Information Engineering MODELING ENTERPERISE DATA Enterprise View Coporate strategies/ goals etc. Congruent Conceptual Data Models Business Needs Logical Models Maintenance Satisfy Physical Models ProductionSystem Implement
Define Task/ Mission Gather Information Glean relevant Information Analyze/Visualize Information Drill Down Information Generate Report Project Development Processes
Project Development Processes Define Task/ Mission Gather Information Glean relevant Information Analyze/Visualize Information Drill Down Information Generate Report
Theme 5: Applications Development Process • SYSTEM DEVELOPMENT PROCESS LIFE CYCLE (SDLC) TM -5 Dr. Chen, The Trends of the Information Systems Technology
implementation SYSTEM DEVELOPMENT(Life Cycle) PROCESS • SYSTEMS ANALYSIS • SYSTEM DESIGN • PROGRAMMING • TESTING • CONVERSION • PRODUCTION & MAINTENANCE * TM -6 Dr. Chen, The Challenge of the Information Systems Technology
SYSTEMS DEVELOPMENT CORE ACTIVITY DESCRIPTION SYSTEMS ANALYSIS IDENTIFY PROBLEM(S) SPECIFY SOLUTIONS ESTABLISH INFORMATION REQUIREMENTS SYSTEMS DESIGN CREATE LOGICAL DESIGN SPECS CREATE PHYSICAL DESIGN SPECS MANAGE TECHNICAL REALIZATION OF SYSTEM IMPLEMENTATION (PROGRAMMING) TRANSLATE DESIGN SPECS INTO PROGRAM CODE TM -7 Dr. Chen, The Challenge of the Information Systems Technology
SYSTEMS DEVELOPMENT CORE ACTIVITY DESCRIPTION IMPLEMENTATION (TESTING) UNIT TEST SYSTEMS TEST ACCEPTANCE TEST IMPLEMENTATION (CONVERSION) PLAN CONVERSION PREPARE DOCUMENTATION TRAIN USERS & TECHNICAL STAFF PRODUCTION & OPERATE SYSTEM MAINTENANCE EVALUATE SYSTEM MODIFY SYSTEM TM -8 Dr. Chen, The Challenge of the Information Systems Technology
Applications Development Process • Design • User request or IT/user proposal • Analysis • (Logical) Design • Construct • Detailed design • Coding • Documentation • Testing • Acquisition TM -9 Dr. Chen, The Trends of the Information Systems Technology
Theme 5: Applications Development Process (Cont.) • Implement • Redesign • Install • Train • Systems test • Operate • Acceptance test • Retrain • Maintain • “Modernization” • Continuous improvement TM -10 Dr. Chen, The Trends of the Information Systems Technology
Management Partnership of Three Constituencies Consists of ... USERS Management IT Management GENERAL Management TM -11 Dr. Chen, The Challenge of the Information Systems Technology
Database Analysis Database Design Database Implementation Operations and Maintenance Growth and Change Life Cycle Phases of DA and DBA (Ch.12) Database Planning
develop guide Strategy create Tactic Planning is everything ... Vision Customers, market, competition Products, Services N
IT Planning: The Relationship Between Business, IS, and IT Strategies
NEW MARKET ENTRANTS SUBSTITUTE PRODUCTS & SERVICES TRADITIONAL COMPETITORS THEFIRM SUPPLIERS CUSTOMERS FIVE COMPETITIVE FORCES MODEL Threats Bargaining power N TM -15 Dr. Chen,The Trends of the Information Systems Technology