SELECT CONCAT(‘ALTER TABLE ‘,TABLE_NAME,’ CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;’) from information_schema.TABLES
WHERE TABLE_SCHEMA = ‘DATABASE_NAME’;
然后把查询得到的语句全部运行即可
SELECT CONCAT(‘ALTER TABLE ‘,TABLE_NAME,’ CONVERT TO CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;’) from information_schema.TABLES
WHERE TABLE_SCHEMA = ‘DATABASE_NAME’;
然后把查询得到的语句全部运行即可