Home Database Mysql Tutorial oracle数值函数 abs()、 ceil()、 cos()、 cosh()

oracle数值函数 abs()、 ceil()、 cos()、 cosh()

Jun 07, 2016 pm 03:50 PM
abs ceil cos oracle function numerical value

1、 式:abs(number) 即 abs(数) 返回数的绝对。 例: abs(5) 返回 5 abs(-5) 返回 5 2、 式:ceil(number) 即 ceil(数) 根据输入返回一个数,输入参数可以是非整数,但返回结果则是大于等于输入参数的最小整数。 例: ceil(5.1) 返回 6 abs(-5.2) 返回 -5

1、

格式:abs(number)  即  abs(数值)

返回数值的绝对值。

例:  abs(5)   返回 5

      abs(-5)   返回 5

 

2、

格式:ceil(number)  即  ceil(数值)

根据输入值返回一个数值,输入参数可以是非整数,但返回结果则是大于等于输入参数的最小整数。

例:  ceil(5.1)   返回 6

      abs(-5.2)   返回 -5

 

3、

格式:cos(number)  即   cos(数值)

返回角度的余弦值。

例:  cos(0)   返回 1

      cos(90)  返回 -0.44807362

4、

格式:cosh(number)  即   cosh(数值)

返回输入值的反余弦值。

例:  cosh(0)            返回  1

      cosh(90*3.14/180)  返回  2.507

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