MySQL — DDL & constraints

1 MySQL SELECT with LIMIT Easy 2 MySQL CREATE TABLE with AUTO_INCREMENT #1 Hard 3 MySQL CREATE TABLE with AUTO_INCREMENT #2 Medium 4 MySQL CREATE TABLE with AUTO_INCREMENT #3 Medium 5 MySQL CREATE TABLE with AUTO_INCREMENT #4 Hard 6 MySQL CREATE TABLE with AUTO_INCREMENT #5 Medium 7 MySQL CREATE TABLE with AUTO_INCREMENT #6 Medium 8 MySQL CREATE TABLE with AUTO_INCREMENT #7 Hard 9 MySQL CREATE TABLE with AUTO_INCREMENT #8 Medium 10 MySQL CREATE TABLE with AUTO_INCREMENT #9 Medium 11 MySQL CREATE TABLE with AUTO_INCREMENT #10 Hard 12 MySQL CREATE TABLE with AUTO_INCREMENT #11 Medium 13 MySQL CREATE TABLE with AUTO_INCREMENT #12 Medium 14 MySQL CREATE TABLE with AUTO_INCREMENT #13 Hard 15 MySQL CREATE TABLE with AUTO_INCREMENT #14 Medium 16 MySQL CREATE TABLE with AUTO_INCREMENT #15 Medium 17 MySQL CREATE TABLE with AUTO_INCREMENT #16 Hard 18 MySQL CREATE TABLE with AUTO_INCREMENT #17 Medium 19 MySQL CREATE TABLE with AUTO_INCREMENT #18 Medium 20 MySQL CREATE TABLE with AUTO_INCREMENT #19 Hard 21 MySQL CREATE TABLE with AUTO_INCREMENT #20 Medium 22 MySQL CREATE TABLE with AUTO_INCREMENT #21 Medium 23 MySQL CREATE TABLE with AUTO_INCREMENT #22 Hard 24 MySQL CREATE TABLE with AUTO_INCREMENT #23 Medium 25 MySQL CREATE TABLE with AUTO_INCREMENT #24 Medium 26 MySQL CREATE TABLE with AUTO_INCREMENT #25 Hard 27 MySQL CREATE TABLE with AUTO_INCREMENT #26 Medium 28 MySQL CREATE TABLE with AUTO_INCREMENT #27 Medium 29 MySQL CREATE TABLE with AUTO_INCREMENT #28 Hard 30 MySQL CREATE TABLE with AUTO_INCREMENT #29 Medium 31 MySQL CREATE TABLE with AUTO_INCREMENT #30 Medium 32 MySQL CREATE TABLE with AUTO_INCREMENT #31 Hard 33 MySQL CREATE TABLE with AUTO_INCREMENT #32 Medium 34 MySQL CREATE TABLE with AUTO_INCREMENT #33 Medium 35 MySQL CREATE TABLE with AUTO_INCREMENT #34 Hard 36 MySQL CREATE TABLE with AUTO_INCREMENT #35 Medium 37 MySQL CREATE TABLE with AUTO_INCREMENT #36 Medium 38 MySQL CREATE TABLE with AUTO_INCREMENT #37 Hard 39 MySQL CREATE TABLE with AUTO_INCREMENT #38 Medium 40 MySQL CREATE TABLE with AUTO_INCREMENT #39 Medium 41 MySQL CREATE TABLE with AUTO_INCREMENT #40 Hard 42 MySQL CREATE TABLE with AUTO_INCREMENT #41 Medium 43 MySQL CREATE TABLE with AUTO_INCREMENT #42 Medium 44 MySQL CREATE TABLE with AUTO_INCREMENT #43 Hard 45 MySQL CREATE TABLE with AUTO_INCREMENT #44 Medium 46 MySQL CREATE TABLE with AUTO_INCREMENT #45 Medium 47 MySQL CREATE TABLE with AUTO_INCREMENT #46 Hard 48 MySQL CREATE TABLE with AUTO_INCREMENT #47 Medium 49 MySQL CREATE TABLE with AUTO_INCREMENT #48 Medium 50 MySQL CREATE TABLE with AUTO_INCREMENT #49 Hard