Hi,

I will explain my situacion first.

I have next objects:

dbpart ( editable master dataset )
dbreview ( editable master dataset )

dboperator ( lookup dataset for dbpart), with lookupcombo to view data.
dboperator2 ( lookup dataset for dbrevision), with a lookupcombo to
view data.

The lookup datasets references the same table/data. Like "Select
idoperator,name from main_operators"

My question is:

I must use 2 lookup datasets (data from a common table). Actually I
open 2 datasets with identical parameters, one to each master dataset.
Can I clone a dataset to save a query?. Can I merge one lookup
recordset to serve n master dataset?

Thanks.
Julian.