ROWID « Oracle « JPA Q&A

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1. Oracle's ROWID as PK    forum.hibernate.org

I am using Hibernate 3 and Oracle 9. I am working with legacy tables that cannot be changed. Many of these tables do not have a primary key. I tried working with a composite-id of all of the columns in the table, but ran into problems with duplicate rows and null values. Finally, I came up with the solution of using ...