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mysql如何获取一个整数的绝对值

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2016-06-01 09:57:001696browse

ABS()函数语法：

<code class="language-sql">ABS(X)</code>

其中参数X为需要计算的整数，函数将返回X的绝对值。

 

ABS()函数使用实例：

<code class="language-sql">mysql> SELECT ABS(-100);
        -> 100
mysql> SELECT ABS(-302);
        -> 302
mysql> SELECT ABS(2);
        -> 2</code>

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