Basic Computer Notions Databases

Next Collections of data Reasons for a DBMS Reasons for a DBMS (cont'd) Database organization Flat databases Hierarchical databases Hierarchical example Hierarchical example (cont'd) Hierarchical example (cont'd) Hierarchical example (cont'd) Hierarchical example (cont'd) Hierarchical example (cont'd) Hierarchical example (cont'd) Hierarchical example (cont'd) Hierarchical example (cont'd) Hierarchical example (cont'd) Hierarchical example (cont'd) Hierarchical example (cont'd) Relational databases Operations on tables Relational examples Relational examples (cont'd) Relational examples (cont'd) Relational examples (cont'd) Relational examples (cont'd) Relational examples (cont'd) Relational examples (cont'd) Relational implementation Relational software Object-oriented databases Abstraction Encapsulation Modularity Hierarchy Examples of class hierarchies Example of object hierarchy Events 38 of 46 Centralized databases Centralized databases (cont'd) Electronic Medical Records Electronic Medical Records (cont'd) Current efforts Current efforts (cont'd) Oacis DRG system

Object-oriented implementation

An object-oriented front end may be built on top of a relational back end.

For example, open-source Hibernate.


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R. Funnell
Last modified: Wed, 2007 Mar 21 17:29:21

Slide show generated from dbms.html by Weasel 2007 Mar 21