Databases

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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

Object-oriented implementation

Centralized databases

Centralized databases (cont'd)

Electronic Medical Records

Electronic Medical Records (cont'd)

Current efforts

44 of 46

Oacis

DRG system

Current efforts (cont'd)

Biotechnology Council
- joint effort of AMA, IEEE, AIChE, ASME and 6 other groups (USA, 2005)
- goal: to help standardization of everything from medical terminology to networking protocols
- so medical records can be stored electronically and sent anywhere instantly
- privacy, security, and understandability
  (article; comment)

Importance of semantics, structured terminology.

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Last modified: Wed, 2007 Mar 21 17:29:21

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