MySQL Tutorial/Procedure Function/DOUBLE

DOUBLE DEFAULT 2e45

mysql>
mysql> delimiter $$
mysql>
mysql> CREATE PROCEDURE myProc()
    -> BEGIN
    ->     DECLARE l_double    DOUBLE DEFAULT 2e45;
    ->
    ->     select l_double;
    -> END$$
Query OK, 0 rows affected (0.00 sec)
mysql> delimiter ;
mysql>
mysql> call myProc();
+----------+
| l_double |
+----------+
|   2e+045 |
+----------+
1 row in set (0.00 sec)
Query OK, 0 rows affected (0.00 sec)
mysql>
mysql> drop procedure myProc;
Query OK, 0 rows affected (0.02 sec)
mysql>
mysql>