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Sql Server string to date conversion
...e token formats you'd expect to see will be there.
DECLARE @d DATETIME = '2008-10-13 18:45:19';
-- returns Oct-13/2008 18:45:19:
SELECT FORMAT(@d, N'MMM-dd/yyyy HH:mm:ss');
-- returns NULL if the conversion fails:
SELECT TRY_PARSE(FORMAT(@d, N'MMM-dd/yyyy HH:mm:ss') AS DATETIME);
-- returns an e...
How do I create a unique constraint that also allows nulls?
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SQL Server 2008 +
You can create a unique index that accept multiple NULLs with a WHERE clause. See the answer below.
Prior to SQL Server 2008
You cannot create a UNIQUE constraint and allow NULLs. You need set a default value of NEW...
How do I remove a project configuration in Visual Studio 2008?
I have a Visual Studio 2008 solution into which I have imported a number of pre-existing projects. The projects are mixed-language sample code (C#, VB, C++/CLI). They currently have multiple configurations, but I want each project only to have only a single "Debug" configuration.
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拉里佩奇23条箴言帮你度过创业低谷 - 资讯 - 清泛网 - 专注C/C++及内核技术
...信息系统设计师),辞去了报社的工作,回到中国创建了百度。
之后拉里·佩奇改进了这项专利,并发明了自己的专利,创造了谷歌。
后来,鲁伯特·默多克买下了《华尔街日报》,现在它似乎正在以缓慢的速度走向死亡。(译...
Get day of week in SQL Server 2005/2008
If I have a date 01/01/2009, I want to find out what day it was e.g. Monday, Tuesday, etc...
10 Answers
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SQL Server: Get data for only the past year
...In my opinion, data from the last year is every data from 2007 (if I am in 2008 now). So the right answer would be:
SELECT ... FROM ... WHERE YEAR(DATE) = YEAR(GETDATE()) - 1
Then if you want to restrict this query, you can add some other filter, but always searching in the last year.
SELECT ......
iPhone app in landscape mode, 2008 systems
Please note that this question is from 2008 and now is of only historic interest.
8 Answers
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How do I view the full content of a text or varchar(MAX) column in SQL Server 2008 Management Studio
In this live SQL Server 2008 (build 10.0.1600) database, there's an Events table, which contains a text column named Details . (Yes, I realize this should actually be a varchar(MAX) column, but whoever set this database up did not do it that way.)
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windows版 svn 服务器搭建及总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...客户端官方下载地址:http://tortoisesvn.net/downloads.html
我的安装路径为:
2.为svn创建版本存储仓库repository。
可以使用svnadmin 命令,格式是:
svnadmin create d:/svntest
意思是在d盘创建名为svntest仓库。 不清楚的可以用 svnadmin ...
SQL Server 2008: How to query all databases sizes?
I have MS SQL 2008 R2, 500 databases.
What is the most efficient, easiest and 'modern' way to query all databases sizes.
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