The rule states that from 1NF to 2NF you remove all partial key dependences. This is used in normal forms beyond BCNF. To move from unnormalised to 1NF, you remove all repeating groups. To move from 2NF to 3NF, you remove all transitive dependencies. The rule states that from 1NF to 2NF you remove all partial key dependences. To transform a relation from first normal form to second normal form we must remove which one of the following?
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