mysql>
mysql> CREATE TABLE myTable
-> (
-> ID SMALLINT UNSIGNED NOT NULL PRIMARY KEY,
-> Name VARCHAR(40) NOT NULL
-> );
Query OK, 0 rows affected (0.03 sec)
mysql>
mysql> alter table myTable add index(name);
Query OK, 0 rows affected (0.05 sec)
Records: 0 Duplicates: 0 Warnings: 0
mysql>
mysql> drop table myTable;
Query OK, 0 rows affected (0.00 sec)