>This is probably an easy one but I just thought I would talk a little bit about it so to obtain the best way to do it.
>
>Presently, I have two select commands which goes like this:
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>

>SELECT TOP 1 Invoice.ApprovedPersonName FROM Invoice WHERE Invoice.NoClient=Client.Numero ORDER BY Invoice.AddDate
>

>
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>SELECT TOP 1 Invoice.ApprovedPersonName FROM Invoice WHERE Invoice.NoClient=Client.Numero ORDER BY Invoice.AddDate DESC
>

>
>I would say this can be done with one select command with the use of MIN(), MAX(). However, I am not sure if this would always be adequate:
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>

>SELECT MIN(Invoice.ApprovedPersonName) AS FirstOne,MAX(Invoice.ApprovedPersonName) AS LastOne
> FROM Invoice WHERE Invoice.NoClient=Client.Numero ORDER BY Invoice.AddDate
>

>
>Is this about the proper way to do it?

What is the purpose of the WHERE clause?