# Oracle到GaussDB字符集兼容性说明
Oracle到GaussDB同步时，当源库和目标库字符集不兼容时，可能会导致数据乱码或者同步失败的场景，可参考[表1]进行设置。
 表1字符集兼容性 
| 源库/目标库        | UTF8 | GBK | GB2312 | GB18030 |
|:---|:---|:---|:---|:---|
| US7ASCII      | √    | √   | √      | √       |
| UTF8          | √    | ×   | ×      | ×       |
| AL32UTF8      | √    | ×   | ×      | ×       |
| ZHS16GBK      | √    | √   | ×      | √       |
| WE8ISO8859P1  | √    | ×   | ×      | ×       |
| WE8ISO8859P2  | √    | ×   | ×      | ×       |
| WE8ISO8859P4  | √    | ×   | ×      | ×       |
| WE8ISO8859P5  | √    | ×   | ×      | ×       |
| WE8ISO8859P7  | √    | ×   | ×      | ×       |
| WE8ISO8859P9  | √    | ×   | ×      | ×       |
| WE8ISO8859P13 | √    | ×   | ×      | ×       |
| WE8ISO8859P15 | √    | ×   | ×      | ×       |
| WE8MSWIN1252  | √    | ×   | ×      | ×       |