MySQL — JOINs

1 MySQL INNER JOIN employees and departments Medium 2 MySQL INNER JOIN dept names #1 Hard 3 MySQL INNER JOIN dept names #2 Medium 4 MySQL INNER JOIN dept names #3 Medium 5 MySQL INNER JOIN dept names #4 Hard 6 MySQL INNER JOIN dept names #5 Medium 7 MySQL INNER JOIN dept names #6 Medium 8 MySQL INNER JOIN dept names #7 Hard 9 MySQL INNER JOIN dept names #8 Medium 10 MySQL INNER JOIN dept names #9 Medium 11 MySQL INNER JOIN dept names #10 Hard 12 MySQL INNER JOIN dept names #11 Medium 13 MySQL INNER JOIN dept names #12 Medium 14 MySQL INNER JOIN dept names #13 Hard 15 MySQL INNER JOIN dept names #14 Medium 16 MySQL INNER JOIN dept names #15 Medium 17 MySQL INNER JOIN dept names #16 Hard 18 MySQL INNER JOIN dept names #17 Medium 19 MySQL INNER JOIN dept names #18 Medium 20 MySQL INNER JOIN dept names #19 Hard 21 MySQL INNER JOIN dept names #20 Medium 22 MySQL INNER JOIN dept names #21 Medium 23 MySQL INNER JOIN dept names #22 Hard 24 MySQL INNER JOIN dept names #23 Medium 25 MySQL INNER JOIN dept names #24 Medium 26 MySQL INNER JOIN dept names #25 Hard 27 MySQL INNER JOIN dept names #26 Medium 28 MySQL INNER JOIN dept names #27 Medium 29 MySQL INNER JOIN dept names #28 Hard 30 MySQL INNER JOIN dept names #29 Medium 31 MySQL INNER JOIN dept names #30 Medium