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February 25, 2016 22:21
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Calculate SQL Server Database Recovery Time
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-- | |
-- SQL SERVER 2008 | |
-- | |
DECLARE @DBName VARCHAR(64) = DB_NAME() -- databasename | |
DECLARE @ErrorLog AS TABLE([LogDate] CHAR(24), [ProcessInfo] VARCHAR(64), [TEXT] VARCHAR(MAX)) | |
INSERT INTO @ErrorLog | |
EXEC sys.xp_readerrorlog 0, 1, 'Recovery of database', @DBName | |
SELECT TOP 5 | |
[LogDate] | |
,SUBSTRING([TEXT], CHARINDEX(') is ', [TEXT]) + 4,CHARINDEX(' complete (', [TEXT]) - CHARINDEX(') is ', [TEXT]) - 4) AS PercentComplete | |
,CAST(SUBSTRING([TEXT], CHARINDEX('approximately', [TEXT]) + 13,CHARINDEX(' seconds remain', [TEXT]) - CHARINDEX('approximately', [TEXT]) - 13) AS FLOAT)/60.0 AS MinutesRemaining | |
,CAST(SUBSTRING([TEXT], CHARINDEX('approximately', [TEXT]) + 13,CHARINDEX(' seconds remain', [TEXT]) - CHARINDEX('approximately', [TEXT]) - 13) AS FLOAT)/60.0/60.0 AS HoursRemaining | |
,[TEXT] | |
FROM @ErrorLog ORDER BY [LogDate] DESC | |
-- | |
-- SQL SERVER 2012 | |
-- | |
DECLARE @DBName VARCHAR(64) = DB_NAME() -- databasename | |
DECLARE @ErrorLog AS TABLE([LogDate] CHAR(24), [ProcessInfo] VARCHAR(64), [TEXT] VARCHAR(MAX)) | |
INSERT INTO @ErrorLog | |
EXEC master..sp_readerrorlog 0, 1, 'Recovery of database', @DBName | |
SELECT TOP 5 | |
[LogDate] | |
,SUBSTRING([TEXT], CHARINDEX(') is ', [TEXT]) + 4,CHARINDEX(' complete (', [TEXT]) - CHARINDEX(') is ', [TEXT]) - 4) AS PercentComplete | |
,CAST(SUBSTRING([TEXT], CHARINDEX('approximately', [TEXT]) + 13,CHARINDEX(' seconds remain', [TEXT]) - CHARINDEX('approximately', [TEXT]) - 13) AS FLOAT)/60.0 AS MinutesRemaining | |
,CAST(SUBSTRING([TEXT], CHARINDEX('approximately', [TEXT]) + 13,CHARINDEX(' seconds remain', [TEXT]) - CHARINDEX('approximately', [TEXT]) - 13) AS FLOAT)/60.0/60.0 AS HoursRemaining | |
,[TEXT] | |
FROM @ErrorLog ORDER BY [LogDate] DESC |
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