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IndexOf function in T-SQL
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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
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...
What is the difference between char, nchar, varchar, and nvarchar in SQL Server?
...tion error (where X denotes a number that is the same in both instances).
SQL Server 2012 adds SC (Supplementary Character) collations that support UTF-16. In these collations a single nvarchar character may take 2 or 4 bytes.
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How do I UPDATE from a SELECT in SQL Server?
In SQL Server , it is possible to insert rows into a table with an INSERT.. SELECT statement:
35 Answers
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Hidden Features of MySQL
I've been working with Microsoft SQL Server with many years now but have only just recently started to use MySQL with my web applications, and I'm hungry for knowledge.
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Difference between FOR and AFTER triggers?
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@Ben is absolutely right.
Here is MSDN article Exploring SQL Server Triggers
A paragraph from the article:
That syntax is also acceptable in older versions of SQL Server. However, now that there are two types of triggers in SQL Server 2000, I prefer to refer to FOR triggers as AFT...
SQL Server 2008: how do I grant privileges to a username?
I need to be able to establish an ODBC connection through SQL Server authentication.
3 Answers
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Timeout expired. The timeout period elapsed prior to completion of the operation or the server is no
... easy to determine whether that is the case. Connect to your database with Sql Server Management Studio. In the left pane right-click on the server node and select Activity Monitor. Take a look at the running processes.
Normally most will be idle or running. When the problem occurs you can identify ...
How to version control a record in a database
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Upgrade to SQL 2008.
Try using SQL Change Tracking, in SQL 2008. Instead of timestamping and tombstone column hacks, you can use this new feature for tracking changes on data in your database.
MSDN SQL 2008 Change Tracking
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