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Oracle 删除指定字段重复的记录

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Release： 2016-06-07 17:02:39
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SQLgt; select * from t; ID NAME SCORE ---------- ---------- ---------- 3 smith

Oracle 删除指定字段重复的记录

[日期：2011-07-20] 来源：Linux社区  作者：aqszhuaihuai [字体：]

此外还可以使用临时表的方式，即将我们需要的数据（没有重复的数据）先放到临时表中，然后删除正式表中的数据，，最后将临时表中的数据插入到正式表中。

但是效率如何我还不知道哩，没有测试哩！

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