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根据网上查到的信息，报错原因是因为oracle连接sql server 的dblink去查询一个表时，sql server表中有两个长字符的字段（长度分别为varchar(1000)），在oracle查询时，这两个栏位会转化为long类型，同时查询这两个字段时oracle就会报如标题的错误，所以这两个栏位只能在一个查询语句中选择一个去查询，但我需要这两个长字符栏位同时查询，如何解决这个问题（最好不更改sql server表字段的长度）展开阅读全文
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遇到同样的问题，请问是如何解决呢？
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