mysql>
mysql> SELECT CONCAT(14.3);
+--------------+
| CONCAT(14.3) |
+--------------+
| 14.3 |
+--------------+
1 row in set (0.00 sec)
mysql>
mysql> SELECT CONCAT(14.3, 2);
+-----------------+
| CONCAT(14.3, 2) |
+-----------------+
| 14.32 |
+-----------------+
1 row in set (0.00 sec)