What Is The Difference Between Merge And Update?

1.	What Is The Difference Between Merge And Update?
Answer» update () : When the session does not contain an persistent INSTANCE with the same identifier, and if it is sure use update for the DATA PERSISTENCE in hibernate. merge (): Irrespective of the state of a session, if there is a need to save the MODIFICATIONS at any given time, use merge(). update () : When the session does not contain an persistent instance with the same identifier, and if it is sure use update for the data persistence in hibernate. merge (): Irrespective of the state of a session, if there is a need to save the modifications at any given time, use merge().

Answer»

update () : When the session does not contain an persistent INSTANCE with the same identifier, and if it is sure use update for the DATA PERSISTENCE in hibernate.

merge (): Irrespective of the state of a session, if there is a need to save the MODIFICATIONS at any given time, use merge().

update () : When the session does not contain an persistent instance with the same identifier, and if it is sure use update for the data persistence in hibernate.

merge (): Irrespective of the state of a session, if there is a need to save the modifications at any given time, use merge().

Discussion

No Comment Found

Related InterviewSolutions

What Is Clustering? What Are The Different Algorithms Used For Clustering?
How Does Ejb Invocation Happens?
What Are The Applet's Information Methods?
Which Classes And Interfaces Does Applet Class Consist?
What Are The Applet's Life Cycle Methods? Explain Them.
What Is Chat Area? Explain.
Why A Client Should Be Multithreading? Explain.
Why Servers Should Be Multithreading? Explain.
What Is The Applet Client Restriction?
What Is The Relationship Between Servers And Ports?