帮我一个答案 [英] Help me one answer

问题描述

大家好，



我无法回答解释为什么我们会为Date Left字段留出空白值？。这里看看下面的内容。我做了什么，我有最后一个。



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请回答我的问题......



谢谢



我尝试了什么：



我试图从网站搜索关于NULL的解决方案作为空白值。

解决方案

简单：员工（或任何人）尚未离开 - 因此列中的空格表示他们仍在工作，或者仍在房间内，或者与表格有关。

Hi everyone,

I can't answer that "Explain why we would allow for a blank value for the Date Left field?". Here take a look this below. What I made it and I have the last one that.

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Please answer my question...

Thanks

What I have tried:

I tried to search solution about NULL as a blank value from the website.

解决方案

Simple: the employee (or whomever) has not left yet - so a null in the column indicates they are still employed, or still in the room, or whatever the table is concerned with.

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