大约有 3,620 项符合查询结果(耗时:0.0114秒) [XML]

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Ruby: Can I write multi-line string with no concatenation?

...ere's a version using funny HEREDOC syntax (via this link): p <<END_SQL.gsub(/\s+/, " ").strip SELECT * FROM users ORDER BY users.id DESC END_SQL # >> "SELECT * FROM users ORDER BY users.id DESC" The latter would mostly be for situations that required more flexibility in ...
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Select top 10 records for each category

... If you are using SQL 2005 you can do something like this... SELECT rs.Field1,rs.Field2 FROM ( SELECT Field1,Field2, Rank() over (Partition BY Section ORDER BY RankCriteria DESC ) AS Rank FROM t...
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SQL Server Profiler - How to filter trace to only display events from one database?

How do I limit a SQL Server Profiler trace to a specific database? I can't see how to filter the trace to not see events for all databases on the instance I connect to. ...
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Is it possible to for SQL Output clause to return a column not being inserted?

... Maybe someone who uses MS SQL Server 2005 or lower will find this answer useful. MERGE will work only for SQL Server 2008 or higher. For rest I found another workaround which will give you ability to create kind of mapping tables. Here's how Resol...
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Is there a ternary conditional operator in T-SQL?

... In SQL Server 2012, you could use the IIF function: SELECT * FROM table WHERE isExternal = IIF(@type = 2, 1, 0) Also note: in T-SQL, the assignment (and comparison) operator is just = (and not == - that's C#) ...
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Oracle SQL, concatenate multiple columns + add text

...ch for this answer. I like the '||' as it makes it easier to maintain the SQL query. – Jason TEPOORTEN Oct 25 '12 at 0:56 add a comment  |  ...
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IndexOf function in T-SQL

... Not the answer you're looking for? Browse other questions tagged sql sql-server tsql string or ask your own question.
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安装SQL Server出现在创建窗口句柄之前,不能在控件上调用 Invoke 或 Begin...

安装SQL Server出现在创建窗口句柄之前,不能在控件上调用 Invoke 或 BeginInvoke的错误解决办法解决方法:kill掉msdtc exe进程即可,见下图。 SQL 句柄 控件 错误
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常用Sql - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

常用Sqlmysql:drop table if exists tablename;不能写成drop table tablename if exists tablename;mysql:建立索引SqlCREATE TABLE t...mysql:drop table if exists tablename; 不能写成 drop table tablename if exists tablename; mysql:建立索引Sql CREATE TABLE tablename ( `ID...
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Sql server默认的端口是多少?如何开启远程连接? - 更多技术 - 清泛网 - ...

Sql server默认的端口是多少?如何开启远程连接?默认是1433,可以在配置管理器中查看:需要开放1433端口,可以参考《Windows、Linux开放指定端口》。另外,开启远程连接还需要启用TCP IP,...默认是1433,可以在配置管理器中查看...