mysql> desc test;
+-------+------------------+------+-----+---------+----------------+
| Field | Type | Null | Key | Default | Extra |
+-------+------------------+------+-----+---------+----------------+
| id | int(10) unsigned | NO | PRI | NULL | auto_increment |
| a | int(10) unsigned | NO | | NULL | |
| b | int(10) unsigned | NO | | NULL | |
| c | int(10) unsigned | NO | | NULL | |
| str | varchar(9) | YES | | NULL | |
+-------+------------------+------+-----+---------+----------------+
5 rows in set (0.00 sec)
mysql> CREATE TRIGGER Capitalize BEFORE INSERT ON test
-> SET NEW.str = UPPER(NEW.str)
-> ;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'SET NEW.str = UPPER(NEW.str)' at line 2
mysql>
I'm following this answer: http://stackoverflow.com/questions/2056488/how-to-define-a-column-that-can-automate-capitalizing/2056504#2056504