Drop failed for Job ‘XXXXXXXXXXXXX’. (Microsoft.SqlServer.Smo) The DELETE statement conflicted with the REFERENCE constraint “FK_subplan_job_id”. The conflict occurred in database “msdb”, table “dbo.sysmaintplan_subplans”, column ‘job_id’. The statement has been terminated. (Microsoft SQL Server, Error: 547) اول لاگ های این پلن رو پاک میکنیم USE [msdb] 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) بعد زیرمحموعه هاش رو پاک میکنیم (ساب پلن) 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) بعدم خود Job رو delete from msdb.dbo.sysjobs_view where name = @job_name توجه کنید @job_name نام Job ماست که باید در دستورات بالا جایگزین بشه