mysql> CREATE TABLE news
-> (
-> id INT UNSIGNED NOT NULL AUTO_INCREMENT,
-> article BLOB NOT NULL,
-> PRIMARY KEY (id)
-> );
Query OK, 0 rows affected (0.01 sec)
mysql>
mysql> ALTER TABLE news MODIFY article TEXT NOT NULL;
Query OK, 0 rows affected (0.01 sec)
Records: 0 Duplicates: 0 Warnings: 0
mysql> ALTER TABLE news CHANGE article article TEXT NOT NULL;
Query OK, 0 rows affected (0.01 sec)
Records: 0 Duplicates: 0 Warnings: 0
mysql>
mysql> drop table news;
Query OK, 0 rows affected (0.00 sec)
mysql>