如下所示，前面少个0
SQL>select money from users where username =‘LEI‘;
money
---------
.3256
解决方法：
SQL>select to_char(money ,‘fm9999999990.00‘) from users where username =‘LEI‘;
money
---------
0.3256
Oracle中将小数转换成字符丢零.截取小数.除数为零解决法
原文：http://www.cnblogs.com/andy6/p/5840704.html