请解释IN和OUT参数之间的区别。 [英] Please explain difference between IN and OUT parameters.

问题描述

请用EXAMPLE解释IN和OUT参数之间的差异（逐步解释参数流程）。我们如何通过引用传递价值。当我们需要IN和OUT。

Please explain difference between IN and OUT parameters with EXAMPLE (step by step explaing the parameters flow). How we can pass by reference as well value. When we require IN and OUT.

推荐答案

我们不做你的作业：它是有原因的。它就是为了让你思考你被告知的事情，并试着理解它。它也在那里，以便您的导师可以识别您身体虚弱的区域，并将更多的注意力集中在补救措施上。



亲自尝试，你可能会发现它不是你想的很难！

We do not do your homework: it is set for a reason. It is there so that you think about what you have been told, and try to understand it. It is also there so that your tutor can identify areas where you are weak, and focus more attention on remedial action.

Try it yourself, you may find it is not as difficult as you think!

IN - 输入

OUT - 输出



当然严重。如果您不相信我，那么请使用Google澄清自己。查看这个简单的教程

程序和功能中的参数 [ ^ ]

IN - Input
OUT - Output

Ofcourse seriously. If you don't believe me then clarify yourself using Google. Check this simple tutorial
Parameters in Procedure and Functions[^]

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