PL / SQL query the value is Chinese, but a question mark (???) - Code World

PL / SQL query the value is Chinese, but a question mark (???)

Others 2019-06-27 14:05:40 views: null

System environment variables plus two values

1、LANG=zh_CN.GBK

2、NLS_LANG=AMERICAN_AMERICA.ZHS16GBK

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