Oracle
1Z0-860 · Question #15
A Java Persistence application uses a Version attribute to manage concurrent updates. Which is true?
The correct answer is B. The Version attribute is used by the persistence provider. See the full explanation below for the reasoning.
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.
How the community answered
(30 responses)- A13% (4)
- B73% (22)
- C3% (1)
- D10% (3)
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