Walter Murray was the first to point out:
> The original poster asked how to generate a "null item" in an IMAGE
> field.
>
> I think some of the responses have played fast and loose with the term
> "null item".  The first thing you have to do is define exactly what you
> mean by that.

<snip>

>On a character field, such as type X, I think QUERY reports
> "NULL ITEM" if ALL characters in the field are the ASCII character NUL,
> that is, the character with the numeric value of 0.

That's what I would think of as a "NULL" item, but I don't think it is what 
QUERY is reporting as "NULL ITEM". I think you see this reported if ANY of 
the characters are NULL (or maybe just non-printable). At a site where I 
once worked they had a distressing tendency to redefine a few bytes here and 
there in IMAGE character items as integers. IMAGE will gladly store them and 
retrieve them fine, but in QUERY all that you would ever see is "NULL ITEM".

Bruce 

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