-- Assign the function result to the variable: SELECT @MyResult1 = SQRT(@MyNumber1), @MyResult2 = SQRT(@MyNumber2) -- Return the variable value SELECT @MyResult1, @MyResult2 上面的例子首先声明了4个变量,然后用两个SELECT语句给这些变
protectedvoidPage_Load(objectsender, EventArgs e){// Get the data from the SqlDataSource as a DataViewDataView randomCategoryView = (DataView)RandomCategoryDataSource.Select(DataSourceSelectArguments.Empty);if(randomCategoryView.Count >0) {...
How to select result from a OPENQUERY into a variable How to select rows that contain substrings from another table How to Select Tables Using 'LIKE' how to select the 2nd word in a string? How to select the nth word in a string? How to select top 1 from union? how to select t...
$StringArray="MYVAR1='String1'","MYVAR2='String2'"Invoke-Sqlcmd-Query"SELECT `$(MYVAR1) AS Var1, `$(MYVAR2) AS Var2"-Variable$StringArrayVar1 Var2 --- --- String1 String2 This command uses an array of character strings as input to the Variable parameter. The...
Select a data source for the SQL query file. After you create an SQL query file, click theicon in the upper-right corner of the page to select a data source for the SQL query file. The following table describes the parameters that you need to configure in the popover. ...
CREATE WORKLOAD GROUP gOffHoursProcessing WITH ( IMPORTANCE = LOW ) --- Assign the workload group to the off-hours processing --- resource pool. USING pOffHoursProcessing GO 更新内存中的配置。 复制 ALTER RESOURCE GOVERNOR RECONFIGURE GO 创建一个表,并定义生产处理时间范围的开始和结束时间。
在 CATCH 块中执行存储过程时,可以在存储过程中引用错误函数并将其用于检索错误信息。如果这样做,则不必在每个 CATCH 块中重复错误处理代码。在下面的代码示例中,TRY 块中的 SELECT 语句将生成一个被零除错误。此错误将由 CATCH 块处理,它将使用存储过程返回错误信息。
An OUTPUT parameter is used to pass the local cursor back to the calling batch, stored procedure, or trigger, which can assign the parameter to a cursor variable to reference the cursor after the stored procedure terminates. The cursor is implicitly deallocated when the batch, stored procedure,...
Optimizing Backup and Restore Performance in SQL ServerThis article covers various best practices that you can use to improve the performance of Backup/Restore operations. For example, you can assign theSE_MANAGE_VOLUME_NAMEspecial privilege to the Windows account that's running SQL Server to enable...
The Installation Wizard runs the SQL Server Installation Center. To create a new installation of SQL Server, selectInstallationin the left navigation area, and then selectNew SQL Server standalone installation or add features to an existing installation. ...