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Mysql如何用rand()生成随机数?

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#1 IP: 114.238.173.71

2014-11-26, 04:59 PM

Radnor

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Join Date: 2014-03-28

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Mysql如何用rand()生成随机数?

ceil(rand()*10); 生成1位随机数
ceil(rand()*100);生成2位随机数
ceil(rand()*1000);生成3位随机数
ceil(rand()*10000);生成4位随机数
ceil(rand()*100000);生成5位随机数
ceil(rand()*1000000);生成6随机数

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