>>Try

>>SELECT * From MyTable WHERE LEN(RTRIM(MyField))>0
>>

>
>Is this supported as is in SQL Server?
>
>Also, if it is, then the minor difference with mine would only be to use RTRIM instead of ALLTRIM. Could you elaborate on that topic as to know why you suggest RTRIM? Is it because it is supported in SQL Server as well?

Yes, it's supported by VFP and SQL Server. It's redundant on SQL Server because LEN() there doesn't count trailing spaces.