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Validating a merge

You have been given 2 tables, artists, and albums. Merge them using artists.merge(albums, on='artid').head(), adjusting the validate argument to determine which statement is False.

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You can use 'many_to_many' without an error, since there is a duplicate key in one of the tables.

You can use 'one_to_many' without error, since there is a duplicate key in the right table.

You can use 'many_to_one' without an error, since there is a duplicate key in the left table.

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