> What's the really target of IB_Query then ?

TIB_Dataset

Jason started a lot of this before TDataset existed, and
personally I think he did a better job. The IBOQuery stuff
is only needed to talk to the later ( and more prolific )
TDataset stuff. In a lot of my applications that module is
not even loaded <g>

--
Lester Caine
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L.S.Caine Electronic Services