Why don't we have two nulls?

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孤独总比滥情好
孤独总比滥情好 2021-02-02 08:38

I\'ve often wondered why languages with a null representing \"no value\" don\'t differentiate between the passive \"I don\'t know what the value is\"

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  •  长情又很酷
    2021-02-02 08:44

    VB6

    • Nothing => "There is no value."
    • Null = > "I don't know what the value is" - Same as DBNull.Value in .NET

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