When transaction processing that conforms to the XA interface is performed using a UAP under the OLTP environment, commit or rollback of the transaction is executed from the UAP using an API that is compatible with X/Open.

Transaction transfer

Execution of transaction commitment using a different process from the one the UAP used to access HiRDB is called transaction transfer. UAP in this context refers to the UAP that connects to HiRDB by means of the HiRDB XA library.