Basic HTML version of Foils prepared January 19 1999

Foil 16 Pragmatic Object Web Technology Model - II

From Introduction to Object Web Technologies (Internetics) Basic Information Track Computational Science Course CPS616 -- Spring Semester 1999. by Nancy McCracken, Geoffrey C. Fox


1 Need to use mix of approaches -- choosing what is good and what will last
2 For example develop Web-based databases with Java objects using standard JDBC (Java Database Connectivity) interfaces
  • Oracle DB2 Informix Sybase, Lotus Notes, Object database confusion becomes an issue of performance/robustness NOT functionality
3 Even better use (Enterprise) Javabeans which are Java's (middle tier) or client componentware offering visual interfaces, containers (here they are consistent with CORBA standard) and standard software engineering interfacing rules
  • e.g. Java Blend is built on top of JDBC to use enterprise Javabeans to store Java Objects in relational databases
4 Use CORBA to wrap existing applications
5 Note Middle tier insulates client from backend -- can use one object model for user level and different one for backend
  • specialized object databases getting "overwhelmed" by multi-tier approach with Oracle etc. traditional backends

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