怎样递归的查找最高层次的分类名称

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Language: Chinese
Channel Number: 57545836
Article Number: 1
Date: July 31, 2013, 9:00 am
URL: http://www.sqlparty.com/%e6%80%8e%e6%a0%b7%e9%80%92%e5%bd%92%e7%9a%84%e6%9f%a5%e6%89%be%e6%9c%80%e9%ab%98%e5%b1%82%e6%ac%a1%e7%9a%84%e5%88%86%e7%b1%bb%e5%90%8d%e7%a7%b0/
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