Calculating fields to blank

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09-30-2013 11:44 AM
TracyDash
New Contributor III
Does anyone know how to calculate a field to completely blank (not null or 0)?
Seems really simple but I couldn't figure it out and Google didn't help.
Thanks!!
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10 Replies
TimWitt
Frequent Contributor
Tracy,

did you try to just use "" ?
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TracyDash
New Contributor III
Tim,

Yes I did, didn't work.

Also gotta say I did my first GIS internship at Brevard County. Haha, thanks for the advice though.
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TimWitt
Frequent Contributor
Small world! What happens when you use ""? Does it turn the values into NULL?
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TracyDash
New Contributor III
The fields all become 0.
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JoeBorgione
MVP Esteemed Contributor
Does anyone know how to calculate a field to completely blank (not null or 0)?
Seems really simple but I couldn't figure it out and Google didn't help.
Thanks!!



Is it a numeric field?  I don't it's possible to have a blank field value.
That should just about do it....
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TimWitt
Frequent Contributor
What is your field type and is it a shapefile, geodatabase feature or raster?
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TracyDash
New Contributor III
It is a GDB feature class with point features.
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TracyDash
New Contributor III
Is it a numeric field?  I don't it's possible to have a blank field value.


It's string....
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JoeBorgione
MVP Esteemed Contributor
It's string....


Hmmmm.  That's really weird.  But you know that already!  What about other values; can you calculate something other than "" successfully?  Do you have any domains set?  That shouldn't matter... Sorry, more questions than answers...  This is a head scratcher....
That should just about do it....
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