hy should you avoid allowing null values in a your database design? There is more than one right answer. You will only have one opportunity to answer this question.

Nulls mean zero.

Nulls imply ambiguity.

Nulls mean an empty string and should be used for text fields.

Nulls are good for a database design.

Nulls could signal an error with the data.

There is no issue when using Nulls.