以上来源于: WordNet
When merging a detached object back into a session, JPA will examine the object and update the data store with any changed values.
将分离对象合并回会话时,JPA将检查该对象,并使用任何更改值来更新数据存储区。
In example 11, we used "select-before-update" for ElectricityDeal, which incurs an extra select for your transient or detached object. But it does avoid unnecessary updates to your database.
在范例11中,我们为electricitydeal加上了select - before - update,这会对瞬时(transient)对象或分离(detached)对象产生额外的select语句,但却能避免不必要的数据库更新。
How to represent detached persistent object graphs as resources for language-neutral clients?
如何将分离的持久化对象表现为语言无关客户端可使用的资源?
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