Database Types Hierarchical o Network ● Relational
l Hierarchical l Network l Relational
Systems Advantage o More Flexible Systems o More reuse of logic o Less bugs Shorter Development Time o Lower maintenance costs
l More Flexible Systems l More Reuse of Logic l Less Bugs l Shorter Development Time l Lower Maintenance Costs
Business Advantage o Reduce Development Cost o Increase Ability to Compete o Increase focus of business on Business Opportunities Outsourcing
l Reduce Development Cost l Increase Ability to Compete l Increase Focus of Business on Business Opportunities – Outsourcing
Integration/Links o Static Hard-Coded Import o Dynamic Linked Dynamic Data EXchange(DDE) Hot-Linked Object-Linking and Embedding(OLE) Original Software Package Automatically started when chosen
l Static – Hard-Coded – Import l Dynamic – Linked – Dynamic Data Exchange (DDE) – Hot-Linked – Object-Linking and Embedding (OLE) l Original Software Package Automatically started when chosen