oracle向下取整函数
时间: 2023-08-05 20:06:48 浏览: 367
向上取整和向下取整函数 C
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Oracle中的向下取整函数有两个,分别是FLOOR和TRUNC。FLOOR函数返回小于或等于给定数字的最大整数,而TRUNC函数则返回给定数字的整数部分。\[2\]\[3\]例如,FLOOR(-1.001)的结果是-2,而TRUNC(-1.001)的结果是-1。同样地,FLOOR(1.001)的结果是1,而TRUNC(1.001)的结果也是1。\[3\]这两个函数在处理负数时的行为略有不同,FLOOR函数会向负无穷方向取整,而TRUNC函数会向0方向取整。\[3\]所以,如果你想要向下取整一个数字,你可以使用FLOOR或TRUNC函数来实现。
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