07 2014 档案

摘要:public sealed class classroom { private List student = new List(); private List student1 = new List(); public List Student ... 阅读全文
posted @ 2014-07-24 10:41 Coding_Yong 阅读(637) 评论(0) 推荐(0) 编辑
摘要:http://blog.csdn.net/RonoTian/article/details/2900714 阅读全文
posted @ 2014-07-17 12:34 Coding_Yong 阅读(194) 评论(0) 推荐(0) 编辑
摘要:从A表随机取2条记录,用SELECT TOP 10 * FROM ywle order by newid()order by 一般是根据某一字段排序,newid()的返回值 是uniqueidentifier ,order by newid()随机选取记录是如何进行的newid()在扫描每条记录的时... 阅读全文
posted @ 2014-07-06 17:52 Coding_Yong 阅读(560) 评论(0) 推荐(0) 编辑
摘要:int32 =intint64 =long1byte=8bitunicode 占2btyeint32 占 1 btyelong 占 4 btye 阅读全文
posted @ 2014-07-06 15:32 Coding_Yong 阅读(740) 评论(0) 推荐(0) 编辑

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