Databases without any backup

SELECT    
   CONVERT(CHAR(100), SERVERPROPERTY('Servername')) AS Server,
   master.dbo.sysdatabases.NAME AS database_name,
   NULL AS [Last Data Backup Date],
   9999 AS [Backup Age (Hours)]
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