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Database 2 External Schema

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Ashwani Kumar Ramani

The document outlines the general steps in database development which include enterprise data modeling (EDM) and developing an information systems architecture (ISA). Key steps include reviewing current systems, analyzing business requirements, planning the database project, and considering how the ISA can grow and be flexible. The development process also involves conceptual and logical data modeling, physical database design, and implementation.

EducationTechnologyBusiness
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RECAP ,[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],DATABASE DEVELOPMENT PROCESS
[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],[object Object],ENTERPRISE DATA MODELING
[object Object],[object Object],[object Object],[object Object],BENEFITS OF ISA
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],KEY COMPONENTS OF ISA
 
[object Object],[object Object],IS DEVELOPMENT
[object Object],[object Object],[object Object],[object Object],STEPS OF IS DEVELOPMENT
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],IS PLANNING
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],IS PLANNING
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],IS PLANNING
[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],[object Object],[object Object],X PLANNING MATRIX Business Function Business Planning Material Manage Finance & Accts Customer Product Invoice Employee Data/Entity X X X X X X X X
[object Object],[object Object],[object Object],[object Object],PLANNING MATRIX
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],PLANNING MATRIX
Project Identification & selection Project Initiation & Planning Analysis Logical Design Physical Design Implementation Maintenance Enterprise Model Conceptual Data Model DATABASE DEVELOPMENT PROCESS Logical Data Base Design Physical Design Database Implementation Database Maintenance Database Development SDLC
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],SDLC and DBMS APPROACH
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],SDLC and DBMS APPROACH
[object Object],[object Object],[object Object],[object Object],[object Object],Problem Early Prototype Implementation Problem Conceptual Data Model Prototyping Logical Data Base Code & Contents Analyse, Improve Revise DBMS APPROACH
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CASE TOOLS
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Senior DB/System Analyst is LEADER PROJECT DEVELOPMENT
[object Object],[object Object],[object Object],[object Object],User-1 User-2 User-n - - - Conceptual Scheme Internal Scheme Physical DB External Level Conceptual Level Internal Level MODEL / VIEW OF DATABASES
[object Object],[object Object],[object Object],[object Object],Develop Conceptual Schema Develop User View Physical Schema CA Features Performance Enterprise Data Model User Needs MODEL / VIEW OF DATABASES
[object Object],[object Object],Database DBMS DATABASES ARCHITECTURES
Distributed DB System DATABASES ARCHITECTURES Data Manager Transaction Manager DB
Client Server DB ,[object Object],[object Object],CLIENT CLIENT SERVER DB DBMS DATABASES ARCHITECTURES
Client Server (2 Tired) ,[object Object],[object Object],DB Server Server DATABASES ARCHITECTURES
Client Server (3 Tiered) DB Server Client (s) DATABASE Dept. Server (Application Server) Organizational Server (Higher Level) Merging or Data DATABASES ARCHITECTURES
DB –Driven Web Applications ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],DB Server WEB+Application Server Internet DATABASES ARCHITECTURES
Summary ,[object Object],[object Object],[object Object]

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Database 2 External Schema

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  • 16. Project Identification & selection Project Initiation & Planning Analysis Logical Design Physical Design Implementation Maintenance Enterprise Model Conceptual Data Model DATABASE DEVELOPMENT PROCESS Logical Data Base Design Physical Design Database Implementation Database Maintenance Database Development SDLC
  • 17.
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  • 25. Distributed DB System DATABASES ARCHITECTURES Data Manager Transaction Manager DB
  • 26.
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  • 28. Client Server (3 Tiered) DB Server Client (s) DATABASE Dept. Server (Application Server) Organizational Server (Higher Level) Merging or Data DATABASES ARCHITECTURES
  • 29.
  • 30.