Database Size Growth

>>Script Language and Platform: SQL Server
History to analyse the growth of the databases size over a given period. Additional to the minimum, maximum and average size per week the growth of average size related to the former week is calculated.

AAuthor: Surekha K

DECLARE @GROWTHDAYS int
SET  @GROWTHDAYS = 7
SELECT DISTINCT TOP 10
(SELECT SD.IPAddress
FROM  ServersDetails SD
WHERE SD.ServerID = dl.ServerID) IPAddress, dl.DatabaseName, dl.DataDrive, ((SELECT TOP 1 dl1.DataSizeInMB  FROM DatabasesList dl1

WHERE CAST(dl1.UpdatedDate AS DATE) = (SELECT CAST(MAX(LS.UpdatedDate) AS date) 
	FROM  DatabasesList LS WHERE ls.ServerID = dl.ServerID AND ls.DatabaseName = dl.DatabaseName)  
	AND dl1.DatabaseName = dl.DatabaseName AND dl1.ServerID = dl.ServerID) - (SELECT TOP 1 dl1.DataSizeInMB FROM  DatabasesList dl1 
	WHERE  /*CAST(dl1.UpdatedDate AS DATE) = (SELECT CAST(MIN(LS.UpdatedDate) as date) 
	FROM DatabasesList LS where ls.ServerID=dl.ServerID and ls.DatabaseName=dl.DatabaseName) */ CAST(dl1.UpdatedDate AS DATE) >= (SELECT CAST(MAX (LS.UpdatedDate - @GROWTHDAYS) AS date) 
	FROM  DatabasesList LS WHERE ls.ServerID = dl.ServerID AND ls.DatabaseName = dl.DatabaseName) AND dl1.DatabaseName = dl.DatabaseName AND dl1.ServerID = dl.ServerID)) GrowthMBInLastSevenDays  
	FROM (SELECT  dlmain.DatabaseName, dlmain.DataDrive, dlmain.LogDrive, dlmain.ServerID  FROM  DatabasesList dlmain  GROUP BY dlmain.DatabaseName, dlmain.DataDrive, dlmain.LogDrive, dlmain.ServerID) dl 
ORDER BY GrowthMBInLastSevenDays DESC

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