优化前代码select *,ROW_NUMBER() OVER(order by WrongCount desc) as rowIdfrom(select Quba_IDint,Quba_Number, (select top 1 Sqre_AddDateT...
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数据库 时间:
2015-02-03 18:48:57
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178
sqlmapsqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of ...
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数据库 时间:
2015-02-02 22:57:47
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284
UsageHTTP Request Operation ManagerAFHTTPRequestOperationManagerencapsulates the common patterns of communicating with a web application over HTTP, in...
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Web程序 时间:
2015-02-02 19:31:41
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153
select to_date(:fr_date,'yyyy-mm-dd') f_date,to_date(:to_date,'yyyy-mm-dd') t_date,nnd,count(distinct memb_id) memb_count,count(bill_id) bill_count,su...
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数据库 时间:
2015-02-02 13:59:02
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129
select * from? (select t.*, row_number() over(partition by 分组字段 order by 排序字段 desc ) rn from tablename t ) where rn=1 select * ? from (select t.*, ? ? ? ? ? ? ? ?row_number() over...
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数据库 时间:
2015-01-31 14:52:59
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127
[背景知识]MTU: Maxitum Transmission Unit 最大传输单元MSS: Maxitum Segment Size 最大分段大小PPPoE: PPP Over Ethernet(在以太网上承载PPP协议)MTU1500字节: 以太网.1492字节: PPPoE.1472字节: ...
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其他好文 时间:
2015-01-30 17:01:33
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211
有坑!1. 使用(1)点击动画模式按钮,进入动画模式(2)【关键1】左下角动作列表,右键添加动画(3)【关键2】渲染区选择要动画的控件,右键编辑动画* 可以看到最下面多了关键帧(4)在右边关键帧右键添加帧,同时可以改变控件的位置(5)所有帧加起来就是该控件的动画了,点击播放Over!
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其他好文 时间:
2015-01-30 15:29:00
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169
采用分析函数row_number()select * from( select a.*,row_number() over (partition by column1 order by column2 [desc]) as rn from table1) qwhere rn = 1其中,part.....
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其他好文 时间:
2015-01-30 15:27:50
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128
It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways from/toward that c...
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其他好文 时间:
2015-01-30 08:59:03
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151
With the 2010 FIFA World Cup running, football fans the world over were becoming increasingly excited as the best players from the best teams doing ba...
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其他好文 时间:
2015-01-30 07:54:12
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166