SQL: Database optimization script

gistfile1

USE [msdb]
GO

/****** Object:  Job [MediusFlow optimization job]    Script Date: 09/12/2012 18:24:14 ******/
BEGIN TRANSACTION
DECLARE @ReturnCode INT
SELECT @ReturnCode = 0
/****** Object:  JobCategory [[Uncategorized (Local)]]]    Script Date: 09/12/2012 18:24:14 ******/
IF NOT EXISTS (SELECT name FROM msdb.dbo.syscategories WHERE name=N'[Uncategorized (Local)]' AND category_class=1)
BEGIN
EXEC @ReturnCode = msdb.dbo.sp_add_category @class=N'JOB', @type=N'LOCAL', @name=N'[Uncategorized (Local)]'
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback

END

DECLARE @jobId BINARY(16)
EXEC @ReturnCode =  msdb.dbo.sp_add_job @job_name=N'MediusFlow optimization job', 
		@enabled=1, 
		@notify_level_eventlog=2, 
		@notify_level_email=0, 
		@notify_level_netsend=0, 
		@notify_level_page=0, 
		@delete_level=0, 
		@description=N'No description available.', 
		@category_name=N'[Uncategorized (Local)]', 
		@owner_login_name=N'sa', @job_id = @jobId OUTPUT
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Backup database]    Script Date: 09/12/2012 18:24:16 ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Backup database', 
		@step_id=1, 
		@cmdexec_success_code=0, 
		@on_success_action=3, 
		@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'DECLARE @strDBName VARCHAR(50) -- database name  
DECLARE @strPath VARCHAR(256) -- path for backup files  
DECLARE @strFileName VARCHAR(256) -- filename for backup  
DECLARE @strFileDate VARCHAR(20) -- used for file name 
DECLARE @intRetainDays INT -- used for number of days to retain old backups

SET @strDBName = ''MediusFlow''
SET @intRetainDays = 5
SET @strPath = ''C:\Backup\''  

SELECT @strFileDate = CONVERT(VARCHAR(20),GETDATE(),112) + ''_'' + REPLACE(CONVERT(VARCHAR,GETDATE(),108) , '':'', '''')
SET @strFileName = @strPath + @strDBName + ''_'' + @strFileDate + ''.BAK''  

BACKUP DATABASE @strDBName TO DISK = @strFileName 
WITH RETAINDAYS = @intRetainDays
--INIT', 
		@database_name=N'master', 
		@flags=0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Truncate IFLOW_LOG]    Script Date: 09/12/2012 18:24:16 ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Truncate IFLOW_LOG', 
		@step_id=2, 
		@cmdexec_success_code=0, 
		@on_success_action=3, 
		@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 MediusFlow
GO
DECLARE @intNumberOfWeeksToRetain INT -- used for the number of weeks to retain data for

SET @intNumberOfWeeksToRetain = 4
SET @intNumberOfWeeksToRetain = @intNumberOfWeeksToRetain * -1

DELETE FROM IFLOW_LOG
WHERE SOURCE = ''MIG''
AND TIMESTAMP < DATEADD(WEEK, @intNumberOfWeeksToRetain, GETDATE())', 
		@database_name=N'master', 
		@flags=0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Truncate Log and Database]    Script Date: 09/12/2012 18:24:16 ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Truncate Log and Database', 
		@step_id=3, 
		@cmdexec_success_code=0, 
		@on_success_action=3, 
		@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 MediusFlow
GO
ALTER DATABASE [MediusFlow] SET RECOVERY SIMPLE WITH NO_WAIT

--Two times is intentional

DBCC SHRINKFILE (IFLOW_LOG, 1)
DBCC SHRINKFILE (IFLOW_LOG, 1)

DBCC SHRINKDATABASE (''MediusFlow'')
DBCC SHRINKDATABASE (''MediusFlow'')

ALTER DATABASE [MediusFlow] SET RECOVERY FULL WITH NO_WAIT', 
		@database_name=N'master', 
		@flags=0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Reindex database]    Script Date: 09/12/2012 18:24:16 ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Reindex database', 
		@step_id=4, 
		@cmdexec_success_code=0, 
		@on_success_action=3, 
		@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 MediusFlow
GO
EXEC sp_msforeachtable ''ALTER INDEX ALL ON ? REBUILD WITH (FILLFACTOR = 90)''', 
		@database_name=N'master', 
		@flags=0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Truncate log and database again]    Script Date: 09/12/2012 18:24:16 ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Truncate log and database again', 
		@step_id=5, 
		@cmdexec_success_code=0, 
		@on_success_action=3, 
		@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 MediusFlow
GO
ALTER DATABASE [MediusFlow] SET RECOVERY SIMPLE WITH NO_WAIT

--Two times is intentional

DBCC SHRINKFILE (IFLOW_LOG, 1)
DBCC SHRINKFILE (IFLOW_LOG, 1)

DBCC SHRINKDATABASE (''MediusFlow'')
DBCC SHRINKDATABASE (''MediusFlow'')

ALTER DATABASE [MediusFlow] SET RECOVERY FULL WITH NO_WAIT', 
		@database_name=N'master', 
		@flags=0
IF (@@ERROR <> 0 OR @ReturnCode <> 0) GOTO QuitWithRollback
/****** Object:  Step [Update statistics]    Script Date: 09/12/2012 18:24:16 ******/
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'Update statistics', 
		@step_id=6, 
		@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 MediusFlow
GO
EXEC sp_UpdateStats', 
		@database_name=N'master', 
		@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_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