> A short lock might be a problem - that's because some of "online" > operation never worked online for our environment - there is just no > chance to get the lock even looping like a crazy. Btw, systems with extreme availability requirements (that can't be taken (partially) down even for a minute) usually have high-availability designed in into several other components/tiers than just the database. For example in your case, deferring your transactions for couple of seconds programmatically would be needed, etc.. Tanel. ---------------------------------------------------------------- Please see the official ORACLE-L FAQ: http://www.orafaq.com ---------------------------------------------------------------- To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx put 'unsubscribe' in the subject line. -- Archives are at //www.freelists.org/archives/oracle-l/ FAQ is at //www.freelists.org/help/fom-serve/cache/1.html -----------------------------------------------------------------