我是创建存储过程。执行时没有错误但没有返回任何值，请给我建议 [英] i was create stored procedure. that was executed with out error but does not return any value please give me advice

问题描述

<pre>-- ================================================
-- Template generated from Template Explorer using:
-- Create Procedure (New Menu).SQL
--
-- Use the Specify Values for Template Parameters 
-- command (Ctrl-Shift-M) to fill in the parameter 
-- values below.
--
-- This block of comments will not be included in
-- the definition of the procedure.
-- ================================================
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================
-- Author:		<Author,,Name>
-- Create date: <Create Date,,>
-- Description:	<Description,,>
-- =============================================
CREATE PROCEDURE Tms_User_Login 
	-- Add the parameters for the stored procedure here
	@ntlg varchar(50)
	---<@Param2, sysname, @p2> <Datatype_For_Param2, , int> = <Default_Value_For_Param2, , 0>
AS
BEGIN
	-- SET NOCOUNT ON added to prevent extra result sets from
	-- interfering with SELECT statements.
	SET NOCOUNT ON;

    -- Insert statements for procedure here
	select PROCESS_NAME FROM TF_PROCESS_MASTER WHERE PROCESS_ID=(select PROCESS_ID FROM TF_PROJECT_MASTER WHERE PROJECT_ID=(select  PROJECT_ID  FROM TF_ASSOCIATE_LEVEL WHERE SYSTEM_LOGIN_ID='@ntlg' ))

END
GO

推荐答案

这里你没有使用 @ntlg 作为参数，而不是像字符串一样使用它。所以，删除单引号并尝试如下...

Here you have not used the @ntlg as a parameter, rather you have used it like a string. So, remove the single quotes and try like below...

SELECT PROCESS_NAME 
FROM TF_PROCESS_MASTER 
WHERE PROCESS_ID = (SELECT PROCESS_ID 
                    FROM TF_PROJECT_MASTER 
                    WHERE PROJECT_ID = (SELECT PROJECT_ID  
                                        FROM TF_ASSOCIATE_LEVEL 
                                        WHERE SYSTEM_LOGIN_ID = @ntlg)
                    )

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