:: go to www.ibphoenix.com and look up the document sets for
:: Interbase 6, they are still very relevant and only added to
:: via the release notes for FB.
:: read the Transactions Chapter in the Programmers guide.

IBPhoenix is ver yhard to find somet hings.. I serached and foundt his:

http://www.ibphoenix.com/main.nfs?a=ibphoenix&l=;PAGES;NAME='ibp_download_do
cumentation'

So I assuem dyou meant ht edevelopers guide = but it has nothing on
transactions. I also looked in the operations guide.