3NF Vs 2NF, which is more strict?

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normalization database-theory database-agnostic

                          Which of these is true:

 1. If a table is in 2nd normal-form then it must be in 3rd normal-form.
 2. If a table is in 3rd normal-form then it must be in 2nd normal-form.

I know only one of them is correct, if it's the first it makes sense.  If it's the second -doesn't make any sense to me. Maybe an example?

Asked by Eve

Feb 1, 2010, 09:48 PM
Last activity: Dec 22, 2023, 05:09 PM

3NF Vs 2NF, which is more strict?

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