Do you really want a one-to-one relationship between Artist and Artwork? A one-to-many would seem to make more sense (in that one artist can be associated with many artworks, but an artwork can only have one artist).
What you would do in that case is to add another primary key column to the Artwork table (ArtworkID
for example) and make the ArtistID
in the Artwork table a foreign key to Artist.
It could look like this: