DROP DATABASE IF EXISTS innodb_test; CREATE DATABASE innodb_test; USE innodb_test; CREATE TABLE contents ( id int PRIMARY KEY AUTO_INCREMENT, text text ) DEFAULT CHARSET utf8mb4 ROW_FORMAT=DYNAMIC; CREATE TABLE c_refs ( id int PRIMARY KEY AUTO_INCREMENT, content_id int, KEY `index_c_refs_on_content_id` (`content_id`), CONSTRAINT `content_id` FOREIGN KEY (`content_id`) REFERENCES `contents` (`id`) ON DELETE RESTRICT ON UPDATE RESTRICT ) DEFAULT CHARSET utf8mb4 ROW_FORMAT=DYNAMIC; SHOW CREATE TABLE contents; SHOW CREATE TABLE c_refs; DROP DATABASE innodb_test;