Ideally, you should try to avoid character conversions to improve performance by using the same code pages between the source and the target of the conversion.

理想情况下，您应通过在转换的源和目标之间使用相同的代码页，尽力避免字符转换以提高性能。

youdao

Character set conversion into the database code page is performed if necessary.

如有必要，执行字符集到数据库代码页的转换。

youdao

To avoid code page conversion issues, the recommended approach is to use character FOR BIT DATA or BLOB instead of character types.

要避免代码页转换的问题，建议使用字符for BIT DATA或blob代替字符类型。

youdao