1. Chapter 1 Introduction to Data and Process Modeling

2. Communication zwww.ou.edu/class/aschwarz ySyllabus & Assignments yLecture slides zE-mail: please get me current e-mail addresses

3. The 21st Century Environment zHighly-Competitive Global Economy zAreas of Competition yCost (Near-Perfect Information) yCustomer Service, Rapid Response yQuality, Performance, Reliability zWhite-Collar Productivity/Cost Goals

4. IS Mission-Critical Roles zReduce Cost - substitute IS for: yLabor yMaterials zIncrease Output yProductivity Tool yAn End Product

5. IS Component Model Processing Data Sources Data Sinks Data Storage System Boundary Environment Input Output

6. IS Content Model Data Process InfrastructureOrganization Information System

7. Information System Creation zRequested by a client zCreated by people often working in teams zRequires specialized skills and knowledge in design, technologies, management and the organization zOften complex and difficult

8. Structure vs Flexibility zPros of structure: more consistent results, lower skill requirements, lower stress zCons of structure: unnecessary work, slower, may misdirect focus - i.e., less flexibility

9. Adding Structure zMethodologies--multi-step approaches to development -- SDLC zTechniques--processes to produce deliverables -- DFDs, ERDs, zTools--computer programs to implement techniques -- SQL for relational databases

10. Systems Development Life Cycle (SDLC) Text Version Systems Analysis Systems Design Implementation & Operation Systems Planning and Selection REVIEW

11. Data Processes Technology Ballpark (Business Scope) Owner (Business Model) Designer (IS Model) Builder (Technology Model) Detailed (Technology Specification) Functional System Lists of entities important to the business Lists of functions that the business performs. (BPM) Overview of technology architecture. E-R Diagrams (Entity Level) E-R Diagrams (Attribute Level) Database Design Schema and Sub-schema Definition Physical Tables Functional Hierarchy Diagram Dataflow Diagrams Process Specifications Program Code Working Application Network or Enterprise communication diagram Installed Infrastructure Configuration Definition Configuration Design Distribution Diagram Zachman Framework

12. Rapid Development zThe RD Model yStart with the SDLC yReduce Effort & Elapsed Time yTailor steps to the Project yDo only what is agreed upon to Meet Client Needs zProblem - less structure

13. I. Systems Planning and Selection zProject identified or assigned zCreate a Plan yTraditional - SDLC yModern - Rapid Development

14. II. System Analysis zLearn about the Current Situation zAnalysis and Models yCurrent Situation Narrative yGraphical Data Models - Enterprise and Conceptual Data Models yProcess Models - DFDs zAlternatives and Evaluation

15. III. Systems Design zDetermine and Specify Requirements - narrative, data schema, process model zCreate the operational model yRelational tables - SQL DDLs yProcess Code - VB, SQL DML, etc. zTest

16. IV. Implementation zImplementation Strategy - parallel, etc zSchedule zTraining zOrganization zAudit

17. Exercise zDesign the retail management system for a Wal-Mart Store zWhat are the data? zWhat are the processes? zHow would you design zHow would you implement