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Latest Backup file restore

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Topic

gangadhara.ms
Aged Yak Warrior

549 Posts

Posted - 2014-02-26 : 12:19:32

Hi All,

I Have a problem while creating a automated restore job ..pls find the info below

There are two backup files in a folder"G:\Backup\DataTraceBilling\"

TestDB_Backup_2011_02_08_230002_7317713.bak
TestDB_Backup_2011_02_05_230002_7318761.bak

I need to restore the latest backup to my local machine ones in a every week and will be scheduled. The back up file contains timestamp how do we restore this.

Below is the query for my try but not working correctly

DECLARE @DATE char(8),@Filename varchar(100), @BkpPath varchar(100) ,@DBName varchar(55)
SELECT @DBName = 'DataTraceBilling'
,@Date = Convert(VARCHAR(8),Getdate(),112)
SELECT @FileName = @DBName + '_' + 'Backup' + '_' + LEFT(@Date,4)+ '_' + SUBSTRING(@Date,5,2) + '_'+ RIGHT(@Date,2) + '.BAK'
SELECT @BkpPath = 'G:\Backup\DataTraceBilling\'
SELECT @FileName = @BkpPath + @FileName

DECLARE @SQL varchar(max)

SELECT @SQL =
'RESTORE DATABASE ' + @DBName + ' FROM
DISK ='+ @FileName + ''

--EXEC (@SQL)
PRINT @SQL

Thanks,
Gangadhara MS
SQL Developer and DBA

jeffw8713
Aged Yak Warrior

819 Posts

Posted - 2014-02-27 : 14:21:30

There are several approaches you can use - here are a couple:

1) Query the source systems backup history to get the latest backup for that database.
2) Use powershell script to query the directory for the latest available file - then use SQLCMD to restore.

Either way, you need to identify the file to be used - and then include the options REPLACE and MOVE to restore the database.

gangadhara.ms
Aged Yak Warrior

549 Posts

Posted - 2014-02-27 : 23:22:14

Hi Could you please post me any reference link where i can find query to source system backup history to get the latest backup.

Thanks,
Gangadhara MS
SQL Developer and DBA

jeffw8713
Aged Yak Warrior

819 Posts

Posted - 2014-03-06 : 13:15:18

The data will be in the msdb database in the tables: backupset, backupmediafamily. Here is a start:

Select b.database_name
, b.backup_finish_date
, mf.physical_device_name
From msdb.dbo.backupset b
Inner Join msdb.dbo.backupmediafamily mf On mf.media_set_id = b.media_set_id
Where b.[type] = 'D'

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