Notification for missing database backups

USE [msdb]
GO
BEGIN TRANSACTION
DECLARE @ReturnCode INT
SELECT @ReturnCode = 0
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'Check for missing backups',
                @enabled=1,
                @notify_level_eventlog=0,
                @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
EXEC @ReturnCode = msdb.dbo.sp_add_jobstep @job_id=@jobId, @step_name=N'CheckForMissingBackups1',
                @step_id=1,
                @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'declare @ServerName varchar(250)
declare @DatabaseList varchar(4000)
declare @CountMissingBackups int
declare @MailSubject varchar(250)
declare @MailText varchar (4000)

;WITH CTE as
(
SELECT
   CONVERT(CHAR(100), SERVERPROPERTY(''Servername'')) AS [Server],
   msdb.dbo.backupset.database_name
FROM    msdb.dbo.backupset
WHERE     msdb.dbo.backupset.type = ''D''
GROUP BY msdb.dbo.backupset.database_name
HAVING      (MAX(msdb.dbo.backupset.backup_finish_date) < DATEADD(hh, - 24, GETDATE()))

UNION

--Databases without any backup history
SELECT   
   CONVERT(CHAR(100), SERVERPROPERTY(''Servername'')) AS [Server],
   master.dbo.sysdatabases.NAME AS database_name
FROM
   master.dbo.sysdatabases LEFT JOIN msdb.dbo.backupset
       ON master.dbo.sysdatabases.name  = msdb.dbo.backupset.database_name
WHERE msdb.dbo.backupset.database_name IS NULL AND master.dbo.sysdatabases.name <> ''tempdb''
--ORDER BY msdb.dbo.backupset.database_name
)
select @CountMissingBackups = count(*), @ServerName = [Server] ,@Databaselist = COALESCE(@DatabaseList + '', '', '''') + CAST(database_name AS varchar(250))
from CTE
group by [Server], database_name


-- send the mail

if @CountMissingBackups > 0
begin

set @MailSubject = ''Backups on ''+@ServerName
set @MailText = ''The following databases have not been backed up in the past 24 hours: ''+@Databaselist

EXEC sp_send_dbmail @profile_name=''Enter_Mail_Profile_Here'',
@recipients=''Enter_Recepient_Email_Here'',
@subject=@MailSubject,
@body=@MailText

end
   ',
                @database_name=N'msdb',
                @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