php - Why is there a problem with sql calculation results! ! ! !
我想大声告诉你
我想大声告诉你 2017-05-17 09:55:44
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Why are the highest and lowest values ​​reversed? Some are normal and some are abnormal. Is this written wrong?

These two are executed by the front and rear feet, what's the problem! ! !

我想大声告诉你
我想大声告诉你

reply all(3)
淡淡烟草味

Is your yj a numeric type? It feels like a string type.

小葫芦

Because your yj field may be of string type

習慣沉默

The person above is right, yours has been sorted according to ASCII code, which is definitely wrong

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