Drop Old Tables.sql

USE msdb;
GO

/*Drop old tables existing in database following a specified period and use cases. 
Ensure that this script is properly monitored as dropping tables often leads to dangerous results in database administration
*/
BEGIN TRANSACTION
DECLARE @ReturnCode INT
SELECT @ReturnCode = 0



IF NOT EXISTS (SELECT name FROM msdb.dbo.syscategories WHERE name=N'Database Maintenance' AND category_class=1)
BEGIN
EXEC @ReturnCode = msdb.dbo.sp_add_category @class=N'JOB', @type=N'LOCAL', @name=N'Database Maintenance'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

END

DECLARE @jobId BINARY(16)
select @jobId = job_id from msdb.dbo.sysjobs where (name = N'ADMIN_Drop_Old_Tables')
if (@jobId is NULL)
BEGIN
EXEC @ReturnCode =  msdb.dbo.sp_add_job 
        @job_name=N'ADMIN_Drop_Old_Tables', 
		@enabled=1, 
		@notify_level_eventlog=0, 
		@notify_level_email=2, 
		@notify_level_netsend=0, 
		@notify_level_page=0, 
		@delete_level=0, 
		@description=N'Set Personalizad Description', 
		@category_name=N'Database Maintenance', 
		@owner_login_name=N'sa', 
		@notify_email_operator_name=N'DBA', @job_id = @jobId OUTPUT
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

END

IF NOT EXISTS (SELECT * FROM msdb.dbo.sysjobsteps WHERE job_id = @jobId and step_id = 1)
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep 
        @job_id=@jobId, 
        @step_name=N'Start job step 1', 
		@step_id=1, 
		@cmdexec_success_code=0, 
		@on_success_action=3, 
		@on_success_step_id=0, 
		@on_fail_action=3, 
		@on_fail_step_id=0, 
		@retry_attempts=0, 
		@retry_interval=0, 
		@os_run_priority=0, @subsystem=N'TSQL', 
		@command=N'USE master;', 
		@database_name=N'master', 
		@flags=0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

IF NOT EXISTS (SELECT * FROM msdb.dbo.sysjobsteps WHERE job_id = @jobId and step_id = 2)
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep 
        @job_id=@jobId, 
        @step_name=N'Drop tables', 
		@step_id=2, 
		@cmdexec_success_code=0, 
		@on_success_action=1, 
		@on_success_step_id=0, 
		@on_fail_action=2, 
		@on_fail_step_id=0, 
		@retry_attempts=0, 
		@retry_interval=0, 
		@os_run_priority=0, @subsystem=N'TSQL', 
		@command=N'USE DBA';
GO
EXEC [dbo].[DropOldTables];, 
		@database_name=N'master', 
		@output_file_name=N'$(ESCAPE_SQUOTE(SQLLOGDIR))\ADMIN_Drop_Old_Tables_$(ESCAPE_SQUOTE(JOBID))_$(ESCAPE_SQUOTE(STEPID))_$(ESCAPE_SQUOTE(STRTDT))_$(ESCAPE_SQUOTE(STRTTM)).txt', 
		@flags=0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXEC @ReturnCode = msdb.dbo.sp_update_job @job_id = @jobId, @start_step_id = 1
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXEC @ReturnCode = msdb.dbo.sp_add_jobschedule @job_id=@jobId, @name=N'ADMIN_Drop_Old_Tables', 
		@enabled=1, 
		@freq_type=4, 
		@freq_interval=1, 
		@freq_subday_type=1, 
		@freq_subday_interval=0, 
		@freq_relative_interval=0, 
		@freq_recurrence_factor=0, 
		@active_start_date=20180907, 
		@active_end_date=99991231, 
		@active_start_time=232000, 
		@active_end_time=235959, 
		@schedule_uid=N'ca037f61-44d8-4ac9-810e-ca7b0159d715'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
EXEC @ReturnCode = msdb.dbo.sp_add_jobserver @job_id = @jobId, @server_name = N'(local)'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
COMMIT TRANSACTION
GOTO EndSave
QuitWithRollback:
    IF (@@TRANCOUNT > 0) ROLLBACK TRANSACTION
EndSave:
GO