Lecture 09 dblc centralized vs decentralized design

Lecture 9 Database Design DBLC and Centralized vs Decentralize Design

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Changing Data into Information

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The Information System ,[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],The Information System (Con’t.)

Systems Development Life Cycle Figure 6.2

Database Lifecycle (DBLC) Figure 6.3

Phase 1: Database Initial Study ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Initial Study Activities Figure 6.4

Phase 2: Database Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

I. Conceptual Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data analysis and Requirements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Entity Relationship Modeling and Normalization Table 6.2

E-R Modeling is Iterative Figure 6.8

Concept Design: Tools and Sources Figure 6.9

Data Model Verification ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

E-R Model Verification Process Table 6.4

Iterative Process of Verification Figure 6.10

Distributed Database Design ,[object Object],[object Object]

II. DBMS Software Selection ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

III. Logical Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

IV. Physical Design ,[object Object],[object Object],[object Object],[object Object],[object Object]

Physical Organization Figure 6.12

Phase 3: Implementation and Loading ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Phase 4: Testing and Evaluation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Phase 5: Operation ,[object Object],[object Object],[object Object],[object Object]

Phase 6: Maintenance and Evaluation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

DB Design Strategy Notes ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Top-Down vs. Bottom-Up Figure 6.14

Centralized vs. Decentralized Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Decentralized Design Figure 6.16

Centralized vs. Decentralized Design (continued) ,[object Object],[object Object],[object Object],[object Object],[object Object]

Centralized vs. Decentralized Design (continued)

Lecture 09 dblc centralized vs decentralized design

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Lecture 09 dblc centralized vs decentralized design