码迷,mamicode.com
首页 >  
搜索关键字:when    ( 7148个结果
3.sql进阶文档(知识点)
CASE 在数据库中,对数据进行比对, 两种用法 第一种,不对任何列进行case 条件判断 SELECT Sid,English AS en, CASE WHEN English >=60 THEN '及格' WHEN English 60 THEN '英语及格' WHEN Math >60 THE...
分类:数据库   时间:2014-09-04 16:52:29    阅读次数:286
SQL Server中Merge-using的用法
在执行之前:merge into UserInfo u using chartinfo c on u.UserId=c.UserId when matched and u.UserName=c.UserName then update set u.lastUpdate=c.LastUpdate wh...
分类:数据库   时间:2014-09-04 13:14:59    阅读次数:187
C++11 thread::join(4)
原文地址:http://www.cplusplus.com/reference/thread/thread/join/ public member function std::thread::join void join(); Join thread The function returns when the thread execution ha...
分类:编程语言   时间:2014-09-04 11:50:40    阅读次数:217
SQL Case When Then
适用sqlServer,oracleCASEWHEN 条件1 THEN 结果1WHEN 条件2 THEN 结果2WHEN 条件3 THEN 结果3WHEN 条件4 THEN 结果4.........WHEN 条件N THEN 结果NELSE 结果XENDCase具有两种格式。简单Case函数和Cas...
分类:数据库   时间:2014-09-04 09:37:27    阅读次数:303
Invalid object name ‘sys.configurations’. (Microsoft SQL Server, Error: 208)
http://blogs.msdn.com/b/ramaprasanna/archive/2009/09/16/invalid-object-name-sys-configurations-microsoft-sql-server-error-208.aspx----------When you u...
分类:数据库   时间:2014-09-04 08:25:27    阅读次数:220
oracle_执行计划_谓词信息和数据获取(access and filter区别) (转)
These two terms in the Predicate Information section indicate when the data source is reduced. Simply, access means only retrieve those records meetin...
分类:数据库   时间:2014-09-03 19:37:37    阅读次数:351
The Bags Can Hold Up To 3 Kilograms And They Are Commonly Used In Gift Stores
So, to all exposed surface of the tile and painted. Therefore, we have compiled a list of mistakes that people make when choosing a company for their ...
分类:其他好文   时间:2014-09-03 13:01:56    阅读次数:237
Cannot install ubuntu or other linux flavours on citrix Xen server
Citrix Xen sucks!When u try to install linux stuff on its Xen servers, u will get an error complaining errors like below:'......the bootloader for thi...
分类:系统相关   时间:2014-09-03 12:58:56    阅读次数:270
【Dynamic Data Site系列】 Hello,world
Notice there might be a bug in .NET4.5 's dynamic data . Because when I created a DDS via VS2013 under .NET4.5 , I always get following error : System...
分类:其他好文   时间:2014-09-03 10:59:26    阅读次数:219
Swift Generic Array 'not identical' error
Arrays in Swift are value types. That means thatdatais copied when passed into yourexchangemethod, but you are trying to modify the copy to affect the...
分类:编程语言   时间:2014-09-02 21:07:15    阅读次数:266
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!