Commitment control


Commitment control is a function that ensures data integrity. It defines and processes a group of changes to resources, such as database files or tables, as a transaction.

Commitment control ensures that either the entire group of individual changes occur on all systems that participate or that none of the changes occur. IBM® DB2 Universal Database™ for iSeries™ uses the commitment control function to commit and rollback database transactions that are running with an isolation level other than *NONE (No Commit).

You can use commitment control to design an application so that the system can restart the application if a job, an activation group within a job, or the system ends abnormally. With commitment control, you can have assurance that when the application starts again, no partial updates are in the database due to incomplete transactions from a prior failure.

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