当SET NOCOUNT 为 ON 时,将不向客户端发送存储过程中每个语句的 DONE_IN_PROC 消息。如果存储过程中包含一些并不返回许多实际数据的语句,或者如果过程包含 Transact-SQL 循环,网络通信流量便会大量减少,因此,将 SET NOCOUNT 设置为 ON 可显著提高性能。 SET NOCOUNT 指定的设置是在执行或运行时生效,而不是在分析...
SET NOCOUNT ON is mostly used in stored procedure to stop the message that shows the number of rows affected by the SQL statement. Stored Procedure contains several select, alter and update statements. The result pan shows the number of rows affected by the SQL statement written in the stored...
Create one stored procedure, using SET NOCOUNT OFF. Create Procedure Sp_CountOFF As Begin set Nocount off; Select t1.Name,t1.Gender,t2.DeptName from tblEmployee1 t1 inner join tblDepartment1 t2 on t1.DepartmentId = t2.DeptId end Execute these procedures.For SET NOCOUNT O...
当Set NoCount设为Off时,行数将被返回。 The @@ROWCOUNT function is updated even when SET NOCOUNT is ON. 当Set NoCount设为On时,@@RowCount函数也会更新。 SET NOCOUNT ON eliminates the sending of DONE_IN_PROC messages to the client for each statement in a stored procedure. When using the util...
set nocount on用法 SET NOCOUNT ON is a T-SQL statement used in Microsoft SQL Server to suppress the message indicating the number of rows affected by each Transact-SQL statement. By default, SQL Server returns the message indicating the number of rows affected by a statement. However, in ...
When SET NOCOUNT is ON, the count is not returned. When SET NOCOUNT is OFF, the count is returned. The @@ROWCOUNT function is updated even when SET NOCOUNT is ON. SET NOCOUNT ON prevents the sending of DONE_IN_PROC messages to the client for each statement in a stored procedure. For...
When SET NOCOUNT is ON, the count isn't returned. When SET NOCOUNT is OFF, the count is returned.The @@ROWCOUNT function is updated even when SET NOCOUNT is ON.SET NOCOUNT ON prevents the sending of DONEINPROC messages to the client for each statement in a stored procedure. For stored...
Microsoft even realized the issue that this creates and has changed the stored procedure templates from SQL Server 2000 to SQL Server 2005. Here is the old template style available in SQL Server 2000 without theSET NOCOUNT ON. -- === -- Create procedure basic template -- === -- creating...
CREATE PROCEDURE [dbo].[GetLitHoldAffectedEmployees] @CLM as NVARCHAR(max) AS SET NOCOUNT ON ;WITH Emps (EmpLogin, AttorneyAndTitle) AS ( SELECT EmpLogin, CASE WHEN EmpTermDate IS NULL OR EmpTermDate = '' THEN LastName + ', ' + FirstName + ' [' + Title +...
As far as I know, there's two main reasons to set NOCOUNT to ON: 1) The rowcount for each individual query in a stored procedure is rarely relevant, so small amounts of resources are wasted outputting something which is never really used. As you mentioned, when it is relevant, the sto...