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R 的包“rOracle”从 db 读取西里尔文数据时遇到了一些麻烦。我将oracle的nls_lang选项更改为AMERICAN_AMERICA.CL8MSWIN1251,以便rODBC包中的sqlQuery与选项DBMSencoding =“CP1251”一起正常工作,但我不知道如何使用rOracle的dbGetQuery指定要读取的编码。