Jakarta EE Recipes by Josh Juneau

Author:Josh Juneau
Language: eng
Format: epub
ISBN: 9781484255872
Publisher: Apress

Note

This example demonstrates the use of database transactions. Transactions allow for an entire sequence of processes to be performed at once. If a failure occurs in one of the processes, then all processes in the transaction fail, and changes to the database are rolled back. Otherwise, if all processes in the transaction complete successfully, then they are committed to the database. Transactions are very useful in situations where multiple database events depend upon one another.

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