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posted @ 2008-05-26 18:02
DreamsHunter
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(转载自http://www.knowsky.com/5075.html) ---------数学函数 1.绝对值 S:select abs(-1) value O:select abs(-1) value from dual 2.取整(大) S:select ceiling(-1.001) value O:select ceil(-1.001) value fro... 阅读全文
posted @ 2008-05-26 10:09
DreamsHunter
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