Thanks for your reply. I have just checked the version. It's 2.8.15. There's no active transaction. Do you have another idea?
> I hope you're using something later than 2.8.0, because VACUUM was only > (re)implemented in 2.8.1. From the docs: > > http://www.sqlite.org/lang.html#vacuum > > "The index or table name argument is now ignored." > > Also from the same page: > > "This command will fail if there is an active transaction. This command > has no effect on an in-memory database." > > HTH > > Ulrik > > -- > Ulrik Petersen, MA, B.Sc. > University of Aalborg, Denmark > >