mysql80 8> SELECT @@version; +-----------+ | @@version | +-----------+ | 8.0.16 | +-----------+ 1 row in set (0.00 sec) mysql80 8> CREATE TABLE t1 (num serial, val varchar(32)); Query OK, 0 rows affected (0.02 sec) mysql80 8> INSERT INTO t1 VALUES (1, 'one'), (2, 'two'), (3, 'さん'); Query OK, 3 rows affected (0.01 sec) Records: 3 Duplicates: 0 Warnings: 0 mysql80 8> SELECT * FROM t1; +-----+-------