Question: Why is the following query valid for a NATURAL join? SELECT album.title, artist.name FROM album NATURAL JOIN artist; The query is not a valid NATURAL

Why is the following query valid for a NATURAL join?
SELECT album.title, artist.name
FROM album
NATURAL JOIN artist;
The query is not a valid NATURAL JOIN query and must use a JOIN... ON instead.
The tables have a shared column, but their column names are not identical which makes it a candidate for a NATURAL JOIN.
The two tables share identical columns.
The tables do not have a foreign key relationship.

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