On Mar 14, 2:23 am, Malcolm Tredinnick <malc...@pointy-stick.com>
wrote:
> Character fields in Django can never be NULL. They will either be empty
> (and stored as '') or not empty, but never stored as NULL in the
> database.

thanks for your answer. Could you please give more insight on this
note?

"When using the Oracle database backend, the null=True option will be
coerced for string-based fields that have the empty string as a
possible value, and the value NULL will be stored to denote the empty
string."

http://docs.djangoproject.com/en/dev/ref/models/fields/#null

Thanks, Sergio

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