Chapter 02 - Chapter 2 Introduction to Database Development...

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Chapter 2 Introduction to Database Development
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2-2 Outline Context for database development Goals of database development Phases of database development CASE tools
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2-3 Information System Student Loan Processing System Loan Applications Payments Statements Status Changes Cash Disbursements DATABASE Delinquency Notices INPUTS OUTPUTS PROCESSES ENVIRONMENT ENVIRONMENT
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2-4 Traditional Life Cycle Preliminary Investigation Systems Analysis Systems Design Systems Implementation Operational System Feedback Feedback Problem Statement, Feasibility Study System Requirements Design Specifications Maintenance Feedback
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2-5 Development Alternatives Difficulties Operational system is produced late Rush to begin implementation Requirements are difficult to capture Alternative methodologies Spiral approaches Rapid application development Prototypes may reduce risk
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2-6 Broad Goals of Database Development Develop a common vocabulary Define data meaning Ensure data quality Provide efficient implementation
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2-7 Develop a Common Vocabulary Diverse groups of users Difficult to obtain acceptance of a common vocabulary Compromise to find least objectionable solution Unify organization by establishing a common vocabulary
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2-8 Define Meaning of Data
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Chapter 02 - Chapter 2 Introduction to Database Development...

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