Oracle
1Z0-860 · Question #15
1Z0-860 Question #15: Real Exam Question with Answer & Explanation
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Question
A Java Persistence application uses a Version attribute to manage concurrent updates. Which is true?
Options
- AThe Version attribute must have a public access type.
- BThe Version attribute is used by the persistence provider.
- CA separate Version attribute must be specified for each class in the inheritance hierarchy.
- DA separate Version column must be specified for each table mapped to the entity.
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