问题描述
这是我的部分陈述.该语句有效，并接收值4，但在某些情况下，我更喜欢3.9，该数字可能不是整数，而是.4，.2，.1等.这些数字当前显示为"0"，因为Oracle四舍五入.如果删除回合"，则会收到3.9123458543845474586.有没有办法只显示3.9和.4，.2等而不四舍五入?我知道它一定是语法问题.当我移除回合时，我会收到错误消息.
Here my partial statement. The statement works and receive the value of 4 but instead I would prefer 3.9 in some cases the number may not be a whole number but .4,.2,.1 etc. Those numbers currently show up as "0" because Oracle rounds up. If I remove "round" I receive 3.9123458543845474586. Is there a way to display 3.9 only and .4,.2 etc. without the rounding? I know its got to be a syntax issue. When I remove round I receive an error.
round((total_qty)*((avg_qty/(sum(avg_qty)over(按ID划分)))/5)，0)avg_qty
round((total_qty)*((avg_qty/(sum(avg_qty)over(partition by ID)))/5),0) avg_qty
谢谢.
推荐答案
尝试这样，
SELECT ROUND(3.9123458543845474586, 1) Round FROM DUAL;
Round
----------
3.9
为更好地理解，请参考此链接.
For better understanding please refer this link.
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