Chapter 2 of Database class. From the book: Modern Database Management 8th Edition By: Jeffrey A. Hoffer, Mary B. Prescott, Fred R. McFadden

1. Chapter 2: The Database Development Process Modern Database Management 8 th Edition Jeffrey A. Hoffer, Mary B. Prescott, Fred R. McFadden © 2007 by Prentice Hall

4. Systems Development Life Cycle (see also Figures 2.4, 2.5) Planning Analysis Physical Design Implementation Maintenance Logical Design

5. Systems Development Life Cycle (see also Figures 2.4, 2.5) (cont.) Planning Purpose – preliminary understanding Deliverable – request for study Database activity – enterprise modeling and early conceptual data modeling Planning Analysis Physical Design Implementation Maintenance Logical Design

6. Systems Development Life Cycle (see also Figures 2.4, 2.5) (cont.) Analysis Purpose–thorough requirements analysis and structuring Deliverable–functional system specifications Database activity–Thorough and integrated conceptual data modeling Planning Analysis Physical Design Implementation Maintenance Logical Design

7. Systems Development Life Cycle (see also Figures 2.4, 2.5) (cont.) Logical Design Purpose–information requirements elicitation and structure Deliverable–detailed design specifications Database activity– logical database design (transactions, forms, displays, views, data integrity and security) Planning Analysis Physical Design Implementation Maintenance Logical Design

8. Systems Development Life Cycle (see also Figures 2.4, 2.5) (cont.) Physical Design Purpose–develop technology and organizational specifications Deliverable–program/data structures, technology purchases, organization redesigns Database activity– physical database design (define database to DBMS, physical data organization, database processing programs) Planning Analysis Physical Design Implementation Maintenance Logical Design

9. Systems Development Life Cycle (see also Figures 2.4, 2.5) (cont.) Implementation Purpose–programming, testing, training, installation, documenting Deliverable–operational programs, documentation, training materials Database activity– database implementation, including coded programs, documentation, installation and conversion Planning Analysis Physical Design Implementation Maintenance Logical Design

10. Systems Development Life Cycle (see also Figures 2.4, 2.5) (cont.) Maintenance Purpose–monitor, repair, enhance Deliverable–periodic audits Database activity– database maintenance, performance analysis and tuning, error corrections Planning Analysis Physical Design Implementation Maintenance Logical Design

11. Prototyping Database Methodology (Figure 2.6)

12. Prototyping Database Methodology (Figure 2.6) (cont.)

13. Prototyping Database Methodology (Figure 2.6) (cont.)

14. Prototyping Database Methodology (Figure 2.6) (cont.)

15. Prototyping Database Methodology (Figure 2.6) (cont.)

17. Figure 2-8 Developing the three-tiered architecture

18. Figure 2-9 Three-tiered client/server database architecture