提供给预处理语句的参数不需要用引号括起来，驱动程序会处理这些。

The parameters to prepared statements don't need to be quoted; the driver handles it for you.

youdao

这通常使用相关的参数调用移植工具，并且将预处理的源数据传给它。

This usually boils down to calling the migration tool with the relevant parameters and feeding it the pre-processed source data.

youdao

例如，根据参数类型，您可能会调用不同的函数，或者需要某些预处理或后处理，以使得用Perl编写代码会更有意义。

You may have different functions to call depending on argument types, for instance, or require some pre - or post-processing that makes more sense to write in Perl.

youdao