Two ways of Implementing Data Objects
Old way: Use an Object Database
Current Approach: Use a Relational Database and
business logic in EJB
Enterprise Javabean
mapping user object to
backend persistent data
model
Application
using data
objects
Middle Tier
Backend relational
database such as
Oracle
8/30/00
CSIT: IT1 Web Structure  http://aspen.csit.fsu.edu/it1fall00
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