Existing data in oracle has rarely used word shows the code? No, how to solve? Is to change the field type has rarely used word data to nvarchar2? What do you need to do, is the existing data, can't be delete, there are now rarely used word field type is varchar2

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What is your character set of the building Lord?

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CHINA_ZHS16CGB231280

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reference 1st floor selling fruit net reply:

what is your character set of the building Lord? .

CHINA ZHS16CGB231280

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Varchar2 if ZHS16CGB231280 coding, some words may not support the
You try nvarchar2, or directly by storing raw conversion, and then read back again