Hi. There's a short howto describing the semantics of ZODB transactions at http://www.zope.org/Members/mcdonc/HowTos/transaction. Enjoy! _______________________________________________ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )