Oracle中创建MD5方法

create or replace function MD5(passwd in varchar2) return varchar2 is
  retval varchar2(50);
begin
   retval := utl_raw.cast_to_raw(DBMS_OBFUSCATION_TOOLKIT.MD5(INPUT_STRING => passwd)) ;
   return retval;
end MD5;

用法：

select MD5(password) from table;