Hi! Martin Klier writes: > One question arises now: How are ITL entries blanked out again? Are they > blanked at all? It seems to be a combination of both of your guesses. If you google for "Delayed Block Cleanout" you will find articles with a detailed description like this one from Jonathan Lewis: http://jonathanlewis.wordpress.com/2009/06/16/clean-it-up/ -- Stefan -- //www.freelists.org/webpage/oracle-l