What is the purpose of the @Version annotation in JPA? How is it used in optimistic locking? Explain the concept in detail.
What is the purpose of the @Version annotation in JPA? How is it used in optimistic locking? Explain the concept in detail.
题目类型: 技术面试题
这是一道技术面试题，常见于澳洲IT公司面试中。
难度: hard
标签: interviewbit, jpa, topic-specific, java
参考答案摘要
The purpose of the @Version annotation in JPA is to define a version field on an entity that can be used for optimistic locking. When an entity is updated in JPA, the persistence provider checks wheth...
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