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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
Enterprise View Engineering
Conceptual
Data Models
Congruent
Business
Needs
Coporate
strategies/
goals etc.
Logical Models
Maintenance
Physical Models
ProductionSystem
Oracle for Business Database Systems - Dr. Chen
TM Oracle-2
Project Development Processes
Define Task/
Mission
Gather
Information
Glean relevant
Information
Drill Down
Information
Analyze/Visualize
Information
Generate
Report
Oracle for Business Database Systems - Dr. Chen
TM Oracle-3
Project Development Processes
Define Task/
Mission
Gather
Information
Glean relevant
Information
Drill Down
Information
Analyze/Visualize
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
implementation
SYSTEMS ANALYSIS
SYSTEM DESIGN
PROGRAMMING
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
(PROGRAMMING)
TRANSLATE DESIGN SPECS INTO
PROGRAM CODE
Dr. Chen, The Challenge of the Information Systems Technology
TM -7
SYSTEMS DEVELOPMENT
CORE ACTIVITY
DESCRIPTION
IMPLEMENTATION
(TESTING)
UNIT TEST
SYSTEMS TEST
ACCEPTANCE TEST
IMPLEMENTATION
(CONVERSION)
PLAN CONVERSION
PREPARE DOCUMENTATION
TRAIN USERS & TECHNICAL STAFF
PRODUCTION &
MAINTENANCE
OPERATE SYSTEM
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
Management
IT 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
Customers,
market,
competition
Vision
guide
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
MARKET
ENTRANTS
SUBSTITUTE
PRODUCTS
& SERVICES
Threats
THE FIRM
SUPPLIERS
TRADITIONAL
COMPETITORS
Bargaining power
CUSTOMERS
N
Dr.
Chen,for
The
Trends of the
Information
Systems-Technology
Oracle
Business
Database
Systems
Dr. Chen
TM Oracle-15
TM -15