If the primary key of a table contains only a single column, the table is automatically in third normal form.

Name: If the primary key of a table contains only a single column, the table is automatically in third normal form.
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Quizplus · Accepted Answer

A table being in third normal form (3NF) depends on it meeting certain criteria related to eliminating redundant data and dependencies, not just on whether the primary key contains a single column.

If the Primary Key of a Table Contains Only a Single