>We have a large table which has given the message "Table '< tablename >' has been corrupted. The table will need to be repaired before using again.
>
>There is no memo file associated with this table.
>
>My experience with repair tools is that they have not been very useful.
>Has that been your experience as well?

I've tried a bunch of them and by far, Abri Recover works the best/most.

http://www.abri.com/recover.html