Oracle number显示科学计数的解决方法

SQL> select id,userid from tbluseraccount where rownum<=2 ;

ID USERID
---------- ----------
1.0000E+15 1.0000E+15
1.0000E+15 1.0000E+15

----sqlplus解决办法

show numwidth

numwidth 10

set numwidth 20

---to_char

select to_char(id),to_char(userid) from tbluseraccount where rownum<=2 ;