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3,253 PointsProblems with UNION ALL
I am working on the first task of the 'Set Operations Practice' set. I need to create a list of all books in both the north and south locations. I am running the following query:
SELECT * FROM books_north UNION ALL SELECT * FROM books_south;
My results are only returning the books from the 'books_south' database. I've tried varying combinations and this was the query suggested online, but it doesn't seem to be returning the right results. Please let me know where I am going wrong here. Thank you.