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Default N/A是没有默认值的意思吗? #6606

Answered by EmmyMiao87
IsisPolei asked this question in Q&A
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Null 和 N/A 不是一个值。
Null 就是 Null,代表这列的值是 Null。
N/A 一般出现在,比如 除0 这种运算的结果就是 N/A

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