Thank you for the advice, currently our "read only" transactions are not true 
"read" only, they contain the "write" parameter - I will try to change them 
tonight (should be possible)

More importantly then are you saying that "truly read-only" transactions are 
not counted as "interesting active transactions" and garbage collection will 
proceed even if one exists that has been running for e.g. 30 days?

Once again, I cannot thank all of you for the quick and helpful responses

> read-only transaction must be real read-only, not "logically read-only". So, 
> you
> need to set this transaction parameters to
> 
> read
> read_committed
> rec_version
> nowait
> 
> -- 
> Dmitry Kuzmenko, www.ib-aid.com
>


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