another snippet from an old document I found in a dim dark and hazy corner of an even older HDD… rather than let it disintegrate, here it is migrating to the web just in the (extreme) off chance that it may be useful to someone out there. Hey.. if YOU are reading this then its done its job  😉

Commitment control lets you define and process a number of changes to database files in a single unit (transaction). Commitment control can ensure that complex application transactions are logically synchronized, even if the job or system ends. Two-phase commitment control ensures that committable resources, such as database files on multiple systems, remain synchronized.