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You can use save Or Update() to reattach a detached object into Hibernate Session.

Further Learning Introduction To Hibernate Spring and Hibernate for Beginners Hibernate Interview Questions Preparation Course Thanks for reading this article, if you like this article and interview question then please share with your friends and colleagues.

it is used to move a transient object to the persistent state by storing it into the database but it doesn't return the database identifier.

This was the basic difference between save() vs save Or Update() vs persist() method and suggest when to use which method.

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Because of its above behavior of persist method outside transaction boundary, its useful in long-running conversations with an extended These were some differences between save, save Or Update and persist method of Hibernate.It’s good to prepare some questions from Hibernate before appearing in any J2EE interviews.One of them is Difference between save , save Or Update and persist, which we will see in this Hibernate article.The save Or Update() method first executes a SELECT query to determine if it needs to do an INSERT or UPDATE operation.2) Another key difference between save() and save Or Update() method is that former is used to bring a transient object to persistent state but save Our Update() can bring both transient (new) and detached (existing) object into persistent state.

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