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If you ever find yourself in a situation where you are adding more than one field of the same type to a database table, you need to normalize the database. This involves setting up a separate table with entries for each question and then link them to whatever table you are trying to add multiple entries into. More on database normalization here:
http://en.wikipedia.org/wiki/Database_normalization
To implement in Django, use the following fields in your model depending on the type of link you need.
One to many: https://docs.djangoproject.com/en/dev/ref/models/fields/#foreignkey
Many to many: https://docs.djangoproject.com/en/dev/ref/models/fields/#manytomanyfield
๐คDaniel Kuntz
Source:stackexchange.com