ORA-35749：(VCHEX01) 'character' is not a valid hexadecimal digit.
错误码
错误描述：(VCHEX01) 'character' is not a valid hexadecimal digit.
错误原因：The text being converted contains an invalid hexadecimal digit.
解决方法：Replace the character with a digit in the range 0-9 or A-F.
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