CREATE DATABASE [IF NOT EXISTS] db_name [ON CLUSTER cluster]ENGINE = MySQL('host:port', ['database' | database], 'user', 'password')

mysql> USE test;Database changed
mysql> CREATE TABLE `mysql_table` (
    ->   `int_id` INT NOT NULL AUTO_INCREMENT,
    ->   `float` FLOAT NOT NULL,
    ->   PRIMARY KEY (`int_id`));Query OK, 0 rows affected (0,09 sec)
mysql> insert into mysql_table (`int_id`, `float`) VALUES (1,2);Query OK, 1 row affected (0,00 sec)
mysql> select * from mysql_table;+--------+-------+| int_id | value |+--------+-------+|      1 |     2 |+--------+-------+1 row in set (0,00 sec)

CREATE DATABASE mysql_db ENGINE = MySQL('localhost:3306', 'test', 'my_user', 'user_password')
 SHOW DATABASES
 ┌─name─────┐
│ default  │
│ mysql_db │
│ system   │
└──────────┘
 SHOW TABLES FROM mysql_db
 ┌─name─────────┐
│  mysql_table │
└──────────────┘
 SELECT * FROM mysql_db.mysql_table
 ┌─int_id─┬─value─┐
│      1 │     2 │
└────────┴───────┘
 INSERT INTO mysql_db.mysql_table VALUES (3,4)
 SELECT * FROM mysql_db.mysql_table
 ┌─int_id─┬─value─┐
│      1 │     2 │
│      3 │     4 │
└────────┴───────┘