>
>No.
>Have you read Helen's advise:
>
>
>>create index cfk_idbomba on despachado(idbomba, pk)
>>
>>
>
>That will not be a low selectivity index, because it contains the PK!
>
>
>

Yes, i read later. Still is a lot of work to do a simple and standard
thing in any database.

German.