Access - Delete Dates Cells Formatted as Short Text

I have a [Date] field that is Short Text that was derived with the formula:

Format([YourDatefield],"m/yyyy")

From an original field [Dt].

I now need to remove from the [Date] field any dates prior to 1/2015, but am unable to successfully do this with < 1/2015 as the criteria.

Please advise.

Thank you.
exp vgAsked:
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Rey Obrero (Capricorn1)Commented:
are deleting the records with date < 1/2015 or you want to clear the field with values < 1/2015

btw, did you try   < "1/2015"

also try

where format([date],"yyyymm") < "201501"
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exp vgAuthor Commented:
Since the format of the date field I created was m/yyyy

I tried this

Where Format([Date],"m/yyyy") < "1/2015"

And got an error on syntax.
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Rey Obrero (Capricorn1)Commented:
try the other format i posted above


where format([date],"yyyymm") < "201501"
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exp vgAuthor Commented:
I want to delete the fields less than < 1/2015

Thank you.
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exp vgAuthor Commented:
Forgot to mention - I tried the first one first - and received the same syntax error. I then tried the one I created to see if that would work.

Both did not.
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Rey Obrero (Capricorn1)Commented:
you can NOT delete a field only with criteria, you will be deleting the RECORD.

you can DELETE the values of a field. By setting the value to NULL or a empty string ""

what you posted is not the same as i have posted. Look carefully
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exp vgAuthor Commented:
Let me clarify - delete the record where this date criteria is met.

I tried the one you posted as well.

Both did not work.

This is what I tried from you:

where format([date],"yyyymm") < "201501"
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Rey Obrero (Capricorn1)Commented:
upload a copy of the db.
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exp vgAuthor Commented:
Unfortunately I cannot - this is sensitive data.

I actually just thought of this, I back tracked, and as mentioned in my question post, the 1/2015 was created from an original [Dt] field - which is in Date format.

I tried

< 1/1/2015, since the records will be the same for the calculated [Date] field that is in Short Text format. However, the records with dates less than 1/1/2015 are still not deleted.

Hope this makes sense.
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exp vgAuthor Commented:
Got it to work by deleting from the source date file that the new date field was formatted off of.

I do thank you for your suggestions.
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