Sure, I can help you understand transactions in Hibernate.
In Hibernate, a transaction is a sequence of database operations that are executed as a single unit of work. It allows you to group multiple database operations into a single atomic operation that either succeeds or fails completely.
The basic steps involved in a Hibernate transaction are:
Begin the transaction: You start by calling the beginTransaction() method on the Session object. This initializes the transaction and sets the session into transaction mode.
Perform database operations: Between the beginTransaction() and commit() methods, you execute any database operations that you want to group into a transaction. These operations may include inserting, updating or deleting entities.
Commit the transaction: Once all the operations are completed successfully, you call the commit() method on the transaction object. This commits the transaction and makes the changes permanent in the database.
Rollback the transaction: If any error occurs during the transaction, you call the rollback() method on the transaction object to rollback the transaction and undo any changes made so far.
In Hibernate, you can use annotations to define transaction boundaries, or you can write your own code to manage transactions programmatically. It is important to ensure that any database operations are executed within a transaction to avoid data inconsistencies and ensure data integrity.
I hope this helps you understand transactions in Hibernate. Let me know if you have any further questions.
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Asked: 2021-11-08 11:00:00 +0000
Seen: 15 times
Last updated: May 02 '21
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