USE [msdb]

DECLARE @job_name VARCHAR(100)

SET @job_name =  N'syspolicy_purge_history'


--注：jobName为维护计划对应的jobName

--删除在计划里面的日志

DELETE

    sysmaintplan_log

FROM

    sysmaintplan_subplans AS subplans

    INNER JOIN sysjobs_view AS syjobs ON subplans.job_id = syjobs.job_id

    INNER JOIN sysmaintplan_log ON subplans.subplan_id =sysmaintplan_log.subplan_id

WHERE

    (syjobs.name = @job_name)


--删除代理的作业

DELETE

    sysjobschedules FROM sysjobs_view v

    INNER JOIN sysjobschedules o ON v.job_id=o.job_id

WHERE

    v.name=@job_name


--删除子计划

DELETE

    sysmaintplan_subplans

FROM

    sysmaintplan_subplans AS subplans    

    INNER JOIN sysjobs_view AS syjobs ON subplans.job_id = syjobs.job_id

WHERE

    (syjobs.name = @job_name)


--删除作业

DELETE FROM msdb.dbo.sysjobs_view WHERE name = @job_name