Lecture02_257

Lecture02_257 - Information Systems Planning and the...

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IS 257 - Fall 2008 2008.09.02 - SLIDE 1 Information Systems Planning and the Database Design Process Ray R. Larson University of California, Berkeley School of Information I 257: Database Management
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IS 257 - Fall 2008 2008.09.02 - SLIDE 2 Lecture Outline Review Database Life Cycle Information Systems Planning Information Systems Architecture Information Engineering Database Design Dive Shop DB in Access
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IS 257 - Fall 2008 2008.09.02 - SLIDE 3 Lecture Outline Review Database Life Cycle Information Systems Planning Information Systems Architecture Information Engineering Database Design Dive Shop DB in Access
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IS 257 - Fall 2008 2008.09.02 - SLIDE 4 Database System Life Cycle Growth, Change, & Maintenance 6 Operations 5 Integration 4 Design 1 Conversion 3 Physical Creation 2
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IS 257 - Fall 2008 2008.09.02 - SLIDE 5 The “Cascade” View Project Identifcation and Selection Project Initiation and Planning Analysis Logical Design Physical Design Implementation Maintenance See Hoffer, p. 41
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IS 257 - Fall 2008 2008.09.02 - SLIDE 6 Another View of the Life Cycle Operations 5 Conversion 3 Physical Creation 2 Growth, Change 6 Integration 4 Design 1
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IS 257 - Fall 2008 2008.09.02 - SLIDE 7 Lecture Outline Review Database Life Cycle Information Systems Planning Information Systems Architecture Information Engineering Database Design Dive Shop DB in Access
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IS 257 - Fall 2008 2008.09.02 - SLIDE 8 Information Systems Planning Scope of IS is now the entire organization Sometimes called “enterprise-wide” computing or “Information Architecture” Problem: isolated groups in an organization start their own databases and it becomes impossible to find out who has what information, where there are overlaps, and to assess the accuracy of the information
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IS 257 - Fall 2008 2008.09.02 - SLIDE 9 Information Systems Planning To support enterprise-wide computing, there must be enterprise-wide information planning One framework for thinking about and planning for enterprise-wide computing is an Information Systems Architecture or ISA Most organizations do NOT have such an architecture
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IS 257 - Fall 2008 2008.09.02 - SLIDE 10 Lecture Outline Review Database Life Cycle Information Systems Planning Information Systems Architecture Information Engineering Database Design Dive Shop DB in Access
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IS 257 - Fall 2008 2008.09.02 - SLIDE 11 Information Systems Architecture An ISA is a “ conceptual blueprint or plan that expresses the desired future structure for information systems in an organization It provides a “ context within which managers throughout the organization can make consistent decisions concerning their information systems Quotes from McFadden (Modern Database Management, 4 th edition), Ch. 3
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IS 257 - Fall 2008 2008.09.02 - SLIDE 12 Information Systems Architecture Benefits of ISA: “Provides a basis for strategic planning of IS Provides a basis for communicating with top management and a context for budget decisions concerning IS Provides a unifying concept for the various stakeholders in information systems.
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This note was uploaded on 11/15/2011 for the course I SYS 201 taught by Professor Meservy during the Winter '11 term at BYU.

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Lecture02_257 - Information Systems Planning and the...

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