> Can you run these statements and try the query again?
>
>
> CREATE ASC INDEX I_PALAVRA_1 ON PALAVRA (ORIGINAL);
>
> CREATE ASC INDEX I_PALAVRA_2 ON PALAVRA (ORDENADA);

Bah, ignore my comments... didn't read your question too well.

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com