SELECTIVELY PROCESSING PLURALITY OF TRANSACTIONS USING TRANSACTION IDENTIFIERS THAT INCLUDING COMMITTING, ABORTING UPDATING AND CONTINUOUS UPDATING CONTENT IN A PLURALITY OF SHARED DATA

An information processing apparatus manages the correspondence between identification information, which is for identifying a plurality of transactions within one process, and the transactions. To this end, the information processing apparatus operates on the identification information by operations including creation, cancellation and switching of the identification information. The creation, cancellation and switching of the identification information then results in the corresponding operation on the respective transaction.