1.select sum(CASE WHEN A.[STATUS]=0 THEN 1 ELSE
0 end) as a1,sum(CASE A.[STATUS] WHEN 1 THEN 1 ELSE 0 end) as a2,sum(CASE
A.[STATUS] WHEN 2 THEN 1 ELS...
分类：
数据库 时间：
2014-06-04 21:10:46
阅读次数：
513
You are climbing a stair case. It takesnsteps
to reach to the top.Each time you can either climb 1 or 2 steps. In how many
distinct ways can you climb...
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其他好文 时间：
2014-06-04 19:53:34
阅读次数：
173
本文希望通过简单的总结，把常用的查询方法予以总结，希望能够明确在心主要涵盖：模糊查询、排序、分组、集合函数、TOP、Case包括：Between、In、Like、And、Or、Order
by包括：Group by、Distinct、MAX\MIN、Avg、Count、Sum、Having、Top、...
分类：
数据库 时间：
2014-05-29 23:13:46
阅读次数：
456
题目描述SH likes traveling around the world. When he
arrives at a city, he will ask the staff about the number of cities that
connected with this city dir...
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其他好文 时间：
2014-05-29 21:47:24
阅读次数：
381
Explorer:menu selection and form filling缺点:when you
open a dataset, it immediately loads it all in. This means that the Explorer can
only be applied t...
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其他好文 时间：
2014-05-29 21:03:09
阅读次数：
385
When creating a Windows form in C#, we would
like to create a hyperlink so that when the user click on the link it would open
up a web browser and dis...
Recently in one of my project I needed to have
an option to display the DateTimePicker allowing user to pick both the date and
the time. When I drag t...
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其他好文 时间：
2014-05-29 17:46:20
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239
string sqlStr = "update sys_case t set t.content
=:CONTENT,t.property=:PROPERTY where id=:ID"; OracleParameter[] parameterValue =
{ ...
分类：
数据库 时间：
2014-05-29 12:18:04
阅读次数：
283
原文地址：http://blog.csdn.net/kissliux/article/details/17392003Tomcat
6版本配置SSL过程有两步：1、用JDK自带的keytool.exe来生成私有密钥和自签发的证书，如下：keytool -genkey -keyalg RSA
-ali...
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其他好文 时间：
2014-05-29 09:19:56
阅读次数：
391
The tricky thing is how to decide the key for a
hashmap. Especially when you intend to use self-defined objects as key.The
simple rule is you have to ...
分类：
编程语言 时间：
2014-05-29 09:08:40
阅读次数：
362
