This is implemented by using conversion tables 这是通过使用转换表实现的。
When you want to use a different version of the conversion tables , such as the microsoft version , you must manually replace the default conversion table . cnv files , which reside in the . sqllib conv directory in the unix and linux platforms or . - sqllib - conv on windows 当您需要使用转换表的不同版本时,如microsoft版本,就必须手工替换默认的转换表( . cnv )文件,该文件驻留在unix和linux平台的. .