大约有 6,000 项符合查询结果(耗时:0.0300秒) [XML]

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Is there a Max function in SQL Server that takes two values like Math.Max in .NET?

... If you're using SQL Server 2008 (or above), then this is the better solution: SELECT o.OrderId, (SELECT MAX(Price) FROM (VALUES (o.NegotiatedPrice),(o.SuggestedPrice)) AS AllPrices(Price)) FROM Order o All credit and votes ...
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What datatype to use when storing latitude and longitude data in SQL databases? [duplicate]

When storing latitude or longitude data in an ANSI SQL compliant database, what datatype would be most appropriate? Should float be used, or decimal , or ...? ...
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Entity Framework and SQL Server View

...that I don't have the liberty to talk about, we are defining a view on our Sql Server 2005 database like so: 9 Answers ...
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What is a “batch”, and why is GO used?

... GO is not properly a TSQL command. Instead it's a command to the specific client program which connects to an SQL server (Sybase or Microsoft's - not sure about what Oracle does), signalling to the client program that the set of commands that were...
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Generating random strings with T-SQL

If you wanted to generate a pseudorandom alphanumeric string using T-SQL, how would you do it? How would you exclude characters like dollar signs, dashes, and slashes from it? ...
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Splitting string into multiple rows in Oracle

I know this has been answered to some degree with PHP and MYSQL, but I was wondering if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g. ...
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How do I create a foreign key in SQL Server?

I have never "hand-coded" object creation code for SQL Server and foreign key decleration is seemingly different between SQL Server and Postgres. Here is my sql so far: ...
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Add column to SQL Server

I need to add a column to my SQL Server table. Is it possible to do so without losing the data, I already have? 5 Answers...
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T-SQL: Deleting all duplicate rows but keeping one [duplicate]

... You didn't say what version you were using, but in SQL 2005 and above, you can use a common table expression with the OVER Clause. It goes a little something like this: WITH cte AS ( SELECT[foo], [bar], row_number() OVER(PARTITION BY foo, bar ORDER BY baz) AS [rn] ...
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xtreme toolkit pro——CXTPReportControl控件教程 - C/C++ - 清泛网 - 专注C/C++及内核技术

...现消息映射函数,如下: //表中焦点行改变时的事件(包括用鼠标单击和用键盘的方向键) void CWEReportDlg::OnReportFocusChanging(NMHDR * pNotifyStruct, LRESULT * /*result*/) { XTP_NM_REPORTRECORDITEM* pItemNotify = (XTP_NM_REPORTRECORDITEM*) pNotifyStruct; i...