mysql> CREATE TABLE  `trades` (
    ->   `id` int(10) unsigned NOT NULL,
    ->   `symbol` char(8) NOT NULL,
    ->   `time` char(12) NOT NULL,
    ->   `price` float unsigned NOT NULL,
    ->   `size` mediumint(8) unsigned NOT NULL,
    ->   `exchange` char(1) NOT NULL,
    ->   `code` char(1) NOT NULL,
    ->   `bid` float unsigned NOT NULL,
    ->   `ask` float unsigned NOT NULL,
    ->   `vwap` double unsigned NOT NULL,
    ->   `vwap_volume` int(10) unsigned NOT NULL,
    ->   PRIMARY KEY (`id`),
    ->   KEY `Index_2` (`symbol`,`time`),
    ->   KEY `Index_3` (`time`)
    -> ) ENGINE=ndbcluster DEFAULT CHARSET=latin1 MAX_ROWS=1000000000;
100513 16:41:06 [Note] NDB Binlog: CREATE TABLE Event: REPL$test/trades
Query OK, 0 rows affected (0.57 sec)

mysql> insert into trades set symbol = 'MSFT',time = '1234',price = '1.23',size = '1234',exchange = '2',code = '1',bid = '1.34',ask = '1.34',vwap='1.45',vwap_volume='1';


mysql> select * from trades;
+----+--------+------+-------+------+----------+------+------+------+------+-------------+
| id | symbol | time | price | size | exchange | code | bid  | ask  | vwap | vwap_volume |
+----+--------+------+-------+------+----------+------+------+------+------+-------------+
|  0 | MSFT   | 1234 |  1.23 | 1234 | 2        | 1    | 1.34 | 1.34 | 1.45 |           1 |
+----+--------+------+-------+------+----------+------+------+------+------+-------------+
1 row in set (0.03 sec)

mysql> SELECT symbol,length(symbol) FROM trades;
+--------+----------------+
| symbol | length(symbol) |
+--------+----------------+
| MSFT   |              4 |
+--------+----------------+
1 row in set (0.01 sec)