What is the difference between merge and update method?
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Answer / Avanish Kumar
In Hibernate, the merge() method merges a detached object (not associated with any Session) into the persistence context. If the object already exists in the database, the changes made to the detached object are applied, otherwise a new object is created and saved. The update() method, on the other hand, updates an existing persistent object without checking if it's associated with a current Hibernate Session.
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