DATABASE DEVELOPMENT DATABASE DEVELOPMENT STRATEGIES STRATEGIES • TOP DOWN TOP DOWN –Large scale application driven by strategic objectives –General Specific –Organization-wide (“data management philosophy”) –“Industrial strength” DBMS required (e.g., Oracle, DB2, SQL Server) –Done well, captures global view and integrates data –Danger: “paralysis analysis” • BOTTOM UP BOTTOM UP –Application-centric –Produces useful systems more quickly –Smaller DBMS such as M/S Access –Less risky, more user involvement –Danger: “stovepipes”
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DATABASE DEVELOPMENT STRATEGIES TOP DOWNTOP DOWN –Large scale application driven by strategic objectives –General Specific –Organization-wide (“data.
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DATABASE DEVELOPMENT DATABASE DEVELOPMENT STRATEGIESSTRATEGIES
•BOTTOM UPBOTTOM UP–Application-centric–Produces useful systems more quickly–Smaller DBMS such as M/S Access–Less risky, more user involvement–Danger: “stovepipes”
DATABASE DEVELOPMENT DATABASE DEVELOPMENT STRATEGIESSTRATEGIES
• PROTOTYPING
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TOP DOWN DATABASE TOP DOWN DATABASE DEVELOPMENTDEVELOPMENT