ORA-00904 invalid column name
| Cause | The column name entered is either missing or invalid. |
| Action | Enter a valid column name. A valid column name must begin with a letter, be less than or equal to 30 characters, and consist of only alphanumeric characters and the special characters $, _, and #. If it contains other characters, it must be enclosed in double quotation marks. It may not be a reserved word. |
译:标识符无效
解决方案:
1.数据库字段在操作时没有对应正确(CRUD)
2.所操作的的表中没有此字段或者操作的不是你所要的表
3.用心详细检查细微之处
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