> Is it safe to let them open undefinitively a read only read commited > transaction ?
Yes, because a read-only read committed transaction doesn't block garbage collection and allows to move OIT/OAT forward. > can it's disturb something in the server (sweep? backup ? etc..) No. -- With regards, Thomas Steinmaurer (^TS^) Firebird Technology Evangelist http://www.upscene.com/ http://www.firebirdsql.org/en/firebird-foundation/
