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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

Oracle for Business Database Systems - Dr. Chen                             TM Oracle-1
                     MODELING ENTERPERISE DATA

                                    Information Engineering
                                      Enterprise View
                                                                       Coporate
                                                                       strategies/
            Conceptual                        Congruent                 goals etc.
                                                          Business
            Data Models                                    Needs


           Logical Models
                                                                     Maintenance

          Physical Models

                                                  ProductionSystem

Oracle for Business Database Systems - Dr. Chen                              TM Oracle-2
      Project Development Processes


     Define Task/                                   Gather      Glean relevant
       Mission                                    Information    Information



                                                   Drill Down   Analyze/Visualize
                                                  Information     Information




                                                  Generate
                                                   Report


Oracle for Business Database Systems - Dr. Chen                                  TM Oracle-3
      Project Development Processes


     Define Task/                                   Gather      Glean relevant
       Mission                                    Information    Information



                                                   Drill Down   Analyze/Visualize
                                                  Information     Information




                                                  Generate
                                                   Report


Oracle for Business Database Systems - Dr. Chen                                  TM Oracle-4
                                                        Theme 5: Applications
                                                         Development Process

                                                              SYSTEM
                                                               DEVELOPMENT
                                                               PROCESS LIFE
                                                               CYCLE (SDLC)




Dr. Chen, The Trends of the Information Systems Technology                      TM -5
                                              SYSTEM DEVELOPMENT
                                                 (Life Cycle) PROCESS
   SYSTEMS ANALYSIS
   SYSTEM DESIGN
   PROGRAMMING

                                                                implementation
   TESTING
   CONVERSION
   PRODUCTION & MAINTENANCE
                  *
Dr. Chen, The Challenge of the Information Systems Technology                    TM -6
                                          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                                      TRANSLATE DESIGN SPECS INTO
(PROGRAMMING)                                       PROGRAM CODE




 Dr. Chen, The Challenge of the Information Systems Technology                           TM -7
                                          SYSTEMS DEVELOPMENT
    CORE ACTIVITY                                                DESCRIPTION

IMPLEMENTATION                                      UNIT TEST
   (TESTING)                                        SYSTEMS TEST
                                                    ACCEPTANCE TEST

IMPLEMENTATION                                      PLAN CONVERSION
  (CONVERSION)                                      PREPARE DOCUMENTATION
                                                    TRAIN USERS & TECHNICAL STAFF

PRODUCTION &                                        OPERATE SYSTEM
MAINTENANCE                                         EVALUATE SYSTEM
                                                    MODIFY SYSTEM



 Dr. Chen, The Challenge of the Information Systems Technology                      TM -8
                                      Applications Development
                                                       Process
   Design
             User request or IT/user proposal
             Analysis
             (Logical) Design
   Construct
             Detailed design
             Coding
             Documentation
             Testing
             Acquisition

Dr. Chen, The Trends of the Information Systems Technology       TM -9
                              Theme 5: Applications
                        Development Process (Cont.)
   Implement
             Redesign
             Install
             Train
             Systems test
   Operate
             Acceptance test
             Retrain
   Maintain
             “Modernization”
             Continuous improvement



Dr. Chen, The Trends of the Information Systems Technology   TM -10
    Partnership of Three Constituencies

                                                           Consists of ...

                           USERS                                   IT Management
                         Management

                                                           Management




                                                          GENERAL
                                                         Management

Dr. Chen, The Challenge of the Information Systems Technology                      TM -11
   Life Cycle Phases of DA and DBA (Ch.12)
                                        Database Planning


                                          Database Analysis


                                            Database Design


                                   Database Implementation


                               Operations and Maintenance


                                         Growth and Change
Oracle for Business Database Systems - Dr. Chen               TM Oracle-12
                                   Planning is everything ...

                               develop             Vision

        Customers,                                      guide
          market,
        competition
                                                  Strategy


                                                       create   Tactic

                                                  Products,
                                                  Services

                                                                                  N

Oracle for Business Database Systems - Dr. Chen                          TM Oracle-13
IT Planning: The Relationship Between Business, IS, and IT
                                                Strategies
                   FIVE COMPETITIVE FORCES MODEL

NEW                                                          Threats                 SUBSTITUTE
MARKET                                                                               PRODUCTS
ENTRANTS                                                                             & SERVICES



                                                                       TRADITIONAL
                                     THE FIRM
                                                                       COMPETITORS




SUPPLIERS                                                                        CUSTOMERS
                                                         Bargaining power
                                                                                                     N
Oracle for Business the Information Systems-Technology
Dr. Chen, The Trends of Database Systems Dr. Chen                                              TM -15
                                                                                          TM Oracle-15

				
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posted:7/30/2012
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