The latest and greatest upd_stats utility has been put in
the software archives at http://www.iiug.org
It generates and executes 'update statistics'
statements, is written in perl, and requires (strongly
recommended, at least) the latest
and greatest DBI and DBD::Informix modules available
Thanks to Roderick Schertler for making it actually work on
SE (version 7.2 if I remember correctly), so more people can
join in the fun (yes, Doug, there is no sysmaster database in SE, duh).