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nvarchar和varchar相互转换、联合查询 - ORACLE - 清泛IT论坛,有思想、有深度
...后由 zqp2013 于 2015-2-27 16:42 编辑
场景:联合查询(union all)Oracle两张表,同一组字段的数据类型不一致,分别是nvarchar和varchar。
这时联合查询报错如下:ora12704:字符集不匹配。
解决方法:需要对数据类型进行转换。
Specif...
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