Do you have analyzed your table before doing this ? Le samedi 28 juillet 2007, Bruno Rodrigues Siqueira a écrit : > Friends, > > > > > > > > Who can help me? My SELECT in a base with 1 milion register, > using expression index = 6seconds. > > > > > > Please, I don't know how to makes it better. > > > > > > Thanks -- Hervé Piedvache