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
Givennnon-negative integersa1,a2, ...,an, where
each represents a point at coordinate (i,ai).nvertical lines are drawn such that
the two endpoints of ...
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其他好文 时间：
2014-06-04 21:09:33
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307
Given a 2D board and a word, find if the word
exists in the grid.The word can be constructed from letters of sequentially
adjacent cell, where "adjace...
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其他好文 时间：
2014-06-04 20:56:34
阅读次数：
343
-----------------------------增删该查------------------------------go--查询语句
select * from student where 1=1go--添加多条数据(用union关键字连接,不支持default关键字) Insert
in...
分类：
数据库 时间：
2014-05-30 01:55:32
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302
QString stores a string of 16-bit QChars, where
each QChar corresponds one Unicode 4.0 character.一、初始化QString字符串 1)Char *
初始化QString str = "Hello"...
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其他好文 时间：
2014-05-30 00:47:43
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376
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
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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...
分类：
其他好文 时间：
2014-05-29 17:46:20
阅读次数：
239
