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Optmizar query

Hola como estan,

Es posible optimizar la siguiente consulta:

select '3ARR' as level,
coalesce(dpe_costod,0),
dpe_productfk,dpe_procode,
dpe_procode2, stamp,dpe_qty,
dpe_qtyrec,dpe_provfk,
coalesce(dpe_costol,0) from detpa
where dpe_productfk=5 and
dpe_provfk=5 and
stamp in
(select max(stamp) from detpa b
where dpe_productfk=nprod and
dpe_provfk=nprov)

Uso postgres 7.4.3.

GRacias por anticipado.
--
Sinceramente,
Josué Maldonado.
"La palabra imposible sólo se halla en el diccionario de los necios."
--Napoleón.

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Nov 23 '05 #1
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