On Thu, 24 Nov 2011 06:31:46 -0800 (PST), eduardo martinez
<eduardo862005@...> wrote:

> Colleagues I request its aid for the creation of a Query to eliminate
> registries > duplicates of a base of daos FIREBIRD of 3000000 million of
>
> registries, habran about 500000 reg duplicated, I need to eliminate them
> but > leaving one of each they with ID but low. > thanks to all.
> Eduardo

Take a look at http://www.firebirdfaq.org/faq301/

Mark