oracle补零 （转）

oracle补零

1.前端补0： Sql代码 select lpad('345',8,'0') from dual;   select to_char('345','00000000') from dual; 

select lpad('345',8,'0') from dual;  select to_char('345','00000000') from dual;  

2.后端补0： Sql代码 select rpad('345',8,'0') from dual; 

select rpad('345',8,'0') from dual;

原文：
http://blog.csdn.net/binnygoal/article/details/7989319