Flawed JDO Points the Way to the "Objectbase"
Subject:   Apples to Apples?
Date:   2002-04-29 14:35:18
From:   perrin
Response to: Apples to Apples?

How can you store the behavior in the persistence layer? Writing it in PL/SQL? Using some kind of proprietary Oracle stored procedures in Java? The example in the article does not seem to be storing any behavior, just the current object state.
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  • Donald Bales photo Yes, Apples to Apples?
    2002-04-30 10:43:53  Donald Bales | O'Reilly Author [View]

    In the case of using Oracle as the persistence layer for SQL:1999 UDTs, behavior can be implemented as "stored procedures" that are part of the UDT written in Oracle's PL/SQL or written in Java. I did not show an example of this in the article because I was trying to limit the functionality as in the program that used JDO in the previous article by Dion Almaer. I do show an example using PL/SQL in my book and also show how to use Java.