oracle abs函数
时间: 2023-09-12 16:09:35 浏览: 86
在Oracle数据库中,ABS函数是一个数值型函数,用于返回一个数字的绝对值。ABS函数的语法为:
SELECT ABS(n) FROM table_name;
其中,n是要计算绝对值的数字。例如,使用ABS函数计算-100的绝对值的查询语句如下:
SELECT ABS(-100) FROM dual;
结果将返回100。在这个例子中,结果将返回字符串类型的值"100"。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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