select to_date(to_number(to_char(created_on_date,'MMDDYYYY')),'MMDDYYYY') from is_mdm_customer
以上查询是给如何日期列转换为MMDDYYYY格式比较MMDDYYYY格式的其他表中的列
Error starting at line 1 in command:
select to_date(to_number(to_char(created_on_date,'MMDDYYYY')),'MMDDYYYY') from is_mdm_customer
Error report:
SQL Error: ORA-01843: not a valid month
01843. 00000 - "not a valid month"
*Cause:
*Action:
什么样的数据类型是你的“日期”?你并没有像VARCHAR那样保持他们!? – MatBailie
什么哦你想用'to_xxx'函数嵌套做什么? –