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why is the SQL backup filesize so big


why is the SQL backup filesize so big aaileng NO[at]SPAM yahoo.com
10/18/2006 6:42:33 PM
sql server replication:
Hi,

We have an database which is about the file size of 730MB, this db is
set configure with publisher and will always push data to our backup
server database. When we backup this db, the database backup filesize
is actually 85GB (full backup from SQL).
Anyone has any idea why is my database backup filesize so big. Is
there any settings we have configure wrongly?
As we are going to populate more customer data into this database,
expected to increase the databse filesize to 2.5GB, will the backup
filesize be triple? If this is the case, we will need to buy
additional harddisk to cater for this.

Thanks!!
Re: why is the SQL backup filesize so big Hilary Cotter
10/18/2006 9:57:25 PM
Can we see your backup statement? Also are there full-text catalogs hanging
off this database?

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Hilary Cotter
Director of Text Mining and Database Strategy
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This posting is my own and doesn't necessarily represent RelevantNoise's
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Re: why is the SQL backup filesize so big aaileng NO[at]SPAM yahoo.com
10/19/2006 3:02:37 AM
Hi,

Thanks for your reply. When u ask how big is the log, how can i check?
is it the dbname_log.ldf file? If yes, then the log filesize is very
small, only 1MB.

Thanks.


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Re: why is the SQL backup filesize so big Paul Ibison
10/19/2006 9:32:54 AM
How big is the log? If this is the cause of the large backup size, then you
could back it up separately first then shrink it (do this because the
restore will restore the original filesize). If the log is not shrinking,
have a look for open transactions (DBCC OPENTRAN).
Cheers,
Paul Ibison SQL Server MVP, www.replicationanswers.com .

Re: why is the SQL backup filesize so big Paul Ibison
10/19/2006 2:16:03 PM
sp_helpdb 'yourdbname' will do it. This'll also show if you have any other
logfiles which occupy the size.
Cheers,
Paul Ibison SQL Server MVP, www.replicationanswers.com .

Re: why is the SQL backup filesize so big linginasg NO[at]SPAM yahoo.com.sg
10/25/2006 8:15:18 PM
Hi,

Here's the backup script,
BACKUP DATABASE [PRODPFR] TO DISK = N'F:\MSSQLBackup\ProdPfr_Bkp' WITH
NOINIT , NOUNLOAD , NAME = N'PRODPFR backup', NOSKIP , STATS = 10,
DESCRIPTION = N'SQL Production Backup', NOFORMAT DECLARE @i INT
select @i = position from msdb..backupset where
database_name='PRODPFR'and type!='F' and backup_set_id=(select
max(backup_set_id) from msdb..backupset where database_name='PRODPFR')
RESTORE VERIFYONLY FROM DISK = N'F:\MSSQLBackup\ProdPfr_Bkp' WITH
FILE = @i

Please advise what is wrong.

How do i check if there are full-text catalogs hanging.

Thanks.

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