SQL> select to_char('25MAR12', 'DDMONYY') from dual;
select to_char('25MAR12', 'DDMONYY') from dual
*
ERROR at line 1:
ORA-01722: invalid number为何用select to_char('25MAR12', 'DDMONYY') from dual;会报这个错呢?谢谢!
select to_char('25MAR12', 'DDMONYY') from dual
*
ERROR at line 1:
ORA-01722: invalid number为何用select to_char('25MAR12', 'DDMONYY') from dual;会报这个错呢?谢谢!
解决方案 »
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