> For the complete documentation index, see [llms.txt](https://mariadb.com/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mariadb.com/docs/server/reference/error-codes/mariadb-error-codes-4200-to-4299/e4234.md).

# Error 4234: Invalid usage of (+) operator: both tables %s and %s are of %s type in the relation

| Error Code | SQLSTATE | Error                                       | Description                                                                         |
| ---------- | -------- | ------------------------------------------- | ----------------------------------------------------------------------------------- |
| 4234       | HY000    | ER\_INVALID\_USE\_OF\_ORA\_JOIN\_ONE\_TABLE | Invalid usage of (+) operator: both tables %s and %s are of %s type in the relation |

## Possible Causes and Solutions

{% hint style="success" %}
This article doesn't currently contain any content. [You can help!](/docs/general-resources/about/readme/contributing-documentation.md)
{% endhint %}

<sub>*This page is licensed: CC BY-SA / Gnu FDL*</sub>

{% @marketo/form formId="4316" %}