des the new name.
mysql>
mysql> CREATE TABLE mytbl
-> (
-> i INT,
-> c CHAR(1)
-> );
Query OK, 0 rows affected (0.01 sec)
mysql>
mysql>
mysql> ALTER TABLE mytbl CHANGE i j BIGINT;
Query OK, 0 rows affected (0.01 sec)
Records: 0 Duplicates: 0 Warnings: 0
mysql>
mysql> drop table mytbl;
Query OK, 0 rows affected (0.00 sec)