向大力请教！

[meng___xuan]

我利用你的方法，创建了一个作业名字，一个调度名字，一个作业步骤，可是，我一次能编译过去，可是在第二次编译却老是提示作业已经存在，我才存储过程已经写了不要创建相同的作业。可是不行。怎么解决？谢谢！还有我用系统的存储过程是不是在我封装成DLL时要不这几个存储过程也加进去。谢谢！

[CrazyFor]

JOB->右键->生成SQL脚本,看看SQL是怎么处理的.应该是先删除JOB,再生成JOB的.

[meng___xuan]

是的，我是先删除的。我就奇怪了。

[meng___xuan]

BEGIN TRANSACTION
DECLARE @JobID BINARY(16)
DECLARE @ReturnCode INT
SELECT @ReturnCode = 0
IF (SELECT COUNT(*) FROM msdb.dbo.syscategories WHERE name = N'Database Maintenance') < 1
EXECUTE msdb.dbo.sp_add_category @name = N'Database Maintenance'

--— 删除同名的警报（如果有的话）。
SELECT @JobID = job_id
FROM msdb.dbo.sysjobs
WHERE (name = N'aa')
IF (@JobID IS NOT NULL)
BEGIN
-- 检查此作业是否为多重服务器作业
IF (EXISTS (SELECT *
FROM msdb.dbo.sysjobservers
WHERE (job_id = @JobID) AND (server_id <> 0)))
BEGIN
-- 已经存在，因而终止脚本
RAISERROR (N'aa”', 16, 1)
GOTO QuitWithRollback
END
ELSE
-- 删除［本地］作业
EXECUTE msdb.dbo.sp_delete_job @job_name = N'aa'
SELECT @JobID = NULL
END

BEGIN

-- — 添加作业
EXECUTE @ReturnCode = msdb.dbo.sp_add_job @job_id = @JobID OUTPUT , @job_name = N' aa', @owner_login_name = N'DZD2034\Administrator', @description = N'没有可用的描述。', @category_name = N'Database Maintenance', @enabled = 1, @notify_level_email = 0, @notify_level_page = 0, @notify_level_netsend = 0, @notify_level_eventlog = 2, @delete_level= 0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

-- — 添加作业步骤
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobstep @job_id = @JobID, @step_id = 1, @step_name = N'第 1 步', @database_name = N'master', @server = N'', @database_user_name = N'', @subsystem = N'TSQL', @cmdexec_success_code = 0, @flags = 4, @retry_attempts = 0, @retry_interval = 0, @output_file_name = N'', @on_success_step_id = 0, @on_success_action = 1, @on_fail_step_id = 0, @on_fail_action = 2
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXECUTE @ReturnCode = msdb.dbo.sp_update_job @job_id = @JobID, @start_step_id = 1

IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

-- — 添加作业调度
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobschedule @job_id = @JobID, @name = N'第 1 调度', @enabled = 1, @freq_type = 16, @active_start_date = 20030912, @active_start_time = 0, @freq_interval = 1, @freq_subday_type = 1, @freq_subday_interval = 0, @freq_relative_interval = 0, @freq_recurrence_factor = 1, @active_end_date = 99991231, @active_end_time = 235959
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

--— 添加目标服务器
EXECUTE @ReturnCode = msdb.dbo.sp_add_jobserver @job_id = @JobID, @server_name = N'(local)'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

END
COMMIT TRANSACTION
GOTO EndSave
QuitWithRollback:
IF (@@TRANCOUNT > 0) ROLLBACK TRANSACTION
EndSave:

EXEC sp_add_job
@job_name = 'aa'
EXEC sp_add_jobstep
@job_name = 'aa',
@step_name = '步骤名子',
@subsystem = 'TSQL',
@command = 'declare @myTime datetime
declare @myBak varchar(50)
set @myTime=getdate()
set @myBak="D:\BACKUP\DATA"
set @myBak=@myBak+convert(char(8),@myTime,112)
set @myBak=@myBak+cast(DATEPART(hh, @myTime) as varchar(2))
set @myBak=@myBak+cast(DATEPART(mi, @myTime) as varchar(2))
set @myBak=@myBak+cast(DATEPART(ss, @myTime) as varchar(2))
set @myBak=@myBak+".bak"
select @myBak
backup database test to disk=@myBak',
@retry_attempts = 5, --重试次数
@retry_interval = 5 --重试间隔
EXEC sp_add_jobschedule
@job_name = 'aa',
@name = '作业调度名字',
@freq_type = 4, -- 每天
@freq_interval = 26, --间隔
@active_start_time = 10000 --开始时间
go



那儿的错，请大家告诉我。感谢！

[meng___xuan]

好好，谢谢大家对我的帮助，我的问题终于解决了。太感谢了！

[nice90]

学习job.