Back Up And Restore Using Transaction Log And Incremental Backup
Feb 1, 2001
hi, I would like to know the correct reaction for a crash in both senarios.
First senario,
I made a full back up at 6 am , then scheduled sql server to make transaction log back up every 2 hours (8,10,12,2 pm,4,6,8) . If I have a crash at 12:30. How would I resotre the data in the first senario....Can I restore the full back up done at 6 am then restore the last transaction log backup ( which is 12 Noon ) . I am not sure If I need to resotre the whole tran from 6 am till the time it was crashed.
Second senario,
I made a full back up at 6 am, then scheduled sql server to make Incremental backup every 2 hours (8,10,12,2 pm,4,6,8) . If I have a crash at 3:00 pm. How would I resotre the data in the second senario. ....Do I restore the full backup at 6 am then restore each incremental backup backwords ( 2,12,10,8)
AS you can see, I am not sure how to deal with this issue, I do appreciate your feedback.
Best regards
Ahmed
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Feb 1, 2001
hi, I would like to know the correct reaction for a crash in both senarios.
First senario,
I made a full back up at 6 am , then scheduled sql server to make transaction log back up every 2 hours (8,10,12,2 pm,4,6,8) . If I have a crash at 12:30. How would I resotre the data in the first senario....Can I restore the full back up done at 6 am then restore the last transaction log backup ( which is 12 Noon ) . I am not sure If I need to resotre the whole tran from 6 am till the time it was crashed.
Second senario,
I made a full back up at 6 am, then scheduled sql server to make Incremental backup every 2 hours (8,10,12,2 pm,4,6,8) . If I have a crash at 3:00 pm. How would I resotre the data in the second senario. ....Do I restore the full backup at 6 am then restore each incremental backup backwords ( 2,12,10,8)
AS you can see, I am not sure how to deal with this issue, I do appreciate your feedback.
Best regards
Ahmed
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Oct 14, 2007
I neglected to backup the transaction log as part of the process of backing up the database. Now i only have the backup file for the database and no transaction log backup. When i try to do a restore on the database, i get the error on a "tail log missing" message (which i'm assuming is that it's looking for the t-log backup?).
Is it possible to restore or even restore to a new database? I'm only looking to retreive data from 2 tables within the backup file.
Thanks!
SQL Server 2005 on Windows 2003 Server x64.
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Apr 18, 2008
Hi All,
I am facing one problem.
My Testing Server is down. I have taken full backup 1 hr backup. After that i have taken additional 5 TL backups. All the backups were moved to different server.
Now DB Server is corrupted. Now i have to rebuild the Database Server from the available Backup and TLog Backup.
But i have reliased that all the Transaction Log backup are having no naming convention in File name.
I am wondering after restoring full backup, which tlog backup i should use for next restore.
Thanks in advance.
-- Chetan
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Feb 29, 2008
Actually instead of creating initial snapshot ,I thought of doing Transaction Replication in 2005 with backup/Restore. Everthing worked fine for DML changes which is being replicated to subscriber.
But my question is:
1)In 2005, DDL changes also replicate by default, Why i am not getting that feature while doing tran rep with backup/Restore?
Any replication Experts?
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Mar 10, 2008
I have this database "DB1" which is in FULL recovery mode.
I run full daily backup -Monday to Saturday
DB1_Mon.bak
DB1_Tue.bak
DB1_Wed.bak
DB1_Thur.bak
DB1_Fri.bak
DB1_Sat.bak
Come Sunday - for the first time I have run transaction log backup.
DB1_Sun.trn
And now, I need to restore DB1 - but the only full backup that I have is the Monday - "DB1_Mon.bak"
Is my database complete if I restore only "DB1_Mon.bak" plus the "DB1_Sun.trn"?
Jeboy
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Feb 21, 2008
Hi guys, just wanna ask about the backup and restore database method. What's the best way for database and restore which able to view all the transaction logs after the database being restored. Currently I backup my database daily for recovery purposes. However, if I restore the backup file at another server and use SQL log application for viewing the prefer database's transaction log, it shows all the previous log had been truncated.
Therefore, I want to know is there any way that able to get the transaction logs after restore from a database backup file? Hope able to get any assistance here as soon as possible. Thank you.
Best Regards,
Hans
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Mar 1, 2006
My Question is of understanding Incremental Backup. How does this work,
Does it go by new files added or activate on file size.
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Jun 25, 2002
Does an Differential Backup contain all the changes since the last full backup, including Inserts, Updates, and Deletions. Our DB has "Truncate on Checkpoint" = True, so Log backups are non-sensical. I want to apply the Differentials to an archive, offline DB.
"one pebble does not fill the void, but it is a start."
"Dedicated to only creating original mistakes."
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Apr 11, 2007
Hi,
I am working on one application, which retrieves data from multiple tables in the database and all the fields retrieved, are exported as an excel sheet. All the export functionality is done through DTS. And the data is retrieved using an SP.
I am supposed to use an "incremental backup" approach here. Means, for the 1st scheduling of the package, all the database dump will be there in excel file. But, after that only fields that are updated/inserted are to be filled in the excel file. Each time, when the dump of the database is taken, the excel file is stored in an archive folder with Date and tiemstamp(e.g. TEST_11_04_2007_15_00_00.xls)
e.g. For the first dump, I get 100 records from the database. Before next execution of the package, 10 rows get inserted and 1 row gets updated. So, on the second time execution of the package, I should populate the excel sheet with those 11 rows only, and not 110 records.
I am not authorised to change the database schema.
So, is there any approach to try out this?
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Jun 14, 2007
1) We are doing Weekly Full & DAILY night incremental backup of TL using Veritas Backup Manager to Tape.
One day I took Incremental Backup of TL file manually using studio and deleted the backup file.
Will I able to restore completed if something happens on next day ? Is automated backup takes care of Incremental backup from last night instead of manual interim backup ?
What is the recommendation ? If automated backup is enabled, we should not do manual backup ?
2) In Full Recovery Modek , If I do full backup , Does it backup Transactional Log also or only Datafiles ?
Thanks
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Apr 11, 2007
Hi,I am working on one application, which retrieves data from multiple tables in the database and all the fields retrieved, are exported as an excel sheet. All the export functionality is done through DTS. And the data is retrieved using an SP.I am supposed to use an "incremental backup" approach here. Means, for the 1st scheduling of the package, all the database dump will be there in excel file. But, after that only fields that are updated/inserted are to be filled in the excel file. Each time, when the dump of the database is taken, the excel file is stored in an archive folder with Date and tiemstamp(e.g. TEST_11_04_2007_15_00_00.xls)e.g. For the first dump, I get 100 records from the database. Before next execution of the package, 10 rows get inserted and 1 row gets updated. So, on the second time execution of the package, I should populate the excel sheet with those 11 rows only, and not 110 records.I am not authorised to change the database schema.So, is there any approach to try out this?
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Jun 10, 2015
I have Full database backup upto previous day and transaction logfile of Today transaction. my database has crashed. I have restored previous day's Full backup. I have faced difficulty to restore today's transaction from today's transaction log. What are the steps to restore full database back and one day's transaction log file. Note: there is no differential database backup and transaction backup.
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Jun 25, 2015
I am looking for a SQL Backup/Restore tools which can restore multiple environments. Here is high level requirements.
1. We have 4 DBs, range from 1 TB - 1.5 TB Each Database. When we restore to QA, DEV, or Staging, we usually restore 4 of them.
2. I am looking for the speed to complete restoring between 1 - 2 hours for 4 DBs.
I am evaluating the Dephix Software but the setup is very complex and its given us a lot of issues with Windows Authentions, and failure in the middle of the backup. I used Guess Software many years ago but can't find it on the web site any more. Speed is very important for us mean complete restoring as fast as possible. We are on SQL 2012 and SQL 2008 R2.We are currently using NETAPP Technology and I have Redgate Backup Tool but I am mainly looking for fast Restore Process.
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Mar 14, 2008
How could i back and restore my MSSQL using a programmatic way throw asp.net. Also Can i use do an incremental back. Regards,IseL
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Aug 11, 2006
Hi All,
I have a problem that I haven't been able to solve it. At the end I am confused I need some clarifications.
Background:
I am using full back up recovery plan. I am getting daily full back up and every 15 minutes log_back up. I created these back ups by using Database Maintenance option. However I have been trying to restore the log_back up, but I couldn't achieve it.
Question1- When I take log back up do I have to activate "Remove inactive entries from transaction log" or not??
Info: When the log back up was done it deletes the latest 4th one. I have done this without no reason. Should I keep like that or should I allow the files being deleted right away after transaction logs backed up?
Question2- I cannot restore the log files I don't know why? I have followed every description that I read. After I restored full back up with NOREOCVERY the database hangs out says "loading" but it doesn't do anything and when I try to restore it doesn't accept the latest log back up file and it urges me to put newer file than I have but ıt is only latest log back up that I have Why does this happen?
I am so confused. Please help me
:confused:
Thanks
LS
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Jan 25, 2006
Everyone,
I simply would like to know if ER Diagrams (under Database -Diagrams) on SQL Server and removed once the database is updated via a backup and restore.
Thanks,
Saurav
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Jul 10, 2006
I had to transfer my database from one server to another. Both are running SQL 2000. I backed the database up and moved it to the new server however when I try to do a restore I get the following message:
The media set for database "xxx' has 2 family members but only 1 are provided. RESTORE DATABASE is terminating abnormally.
I did some searching and found a couple of posts that mentioned something about the back up including 2 files.
My problem is that the machine I backed this up from crashed when it was shut down and would not reboot so all of the data and the original database do not exist. Is there any hope of restoring this database. It is pretty critical.
Thanks,
Melissa :-)
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May 23, 2008
Hi i am backing up a database, copying it to a shared folder on a different computer on same LAN, then restoring it on the different computer.
it used to work fine untill last few weeks.
I have also tried robocopy to copy the files....doesnt works.
the backup is 90GB.
It reports, insufficient resources.
I have rebooted the different computer too.
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Oct 1, 2007
Is it possible to uninstall SQL 2005 and reinstall SQL 2000 if I need to? I would obviously have a backup copy of the database(s) from the SQL 2000 version. If so, is this a major ordeal to perform?
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Jan 29, 2007
Hi,
I backed my sql server database on Fri at 3:15pm and then tried importing some tables individually from a different database and but that didnt work out too good, so is there a way i can just restore particular tables from the backup.
any help will be appreciated.
regards,
Karen
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May 18, 2007
I need to back up a production database on one server and then copy it to a test server wherel it will be restored. The problem is that I don't know where to move the file to on the production server before I restore it. Is there a special folder I need to copy the file to? I see a folder named ProgramFilesMicrosoft SQL Server but beyond that I have no idea where to copy the file so that it can be restored?
Can someone help me out please?
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Jan 16, 2008
Hi I need for my hosting company to send my db that I have convert from SQL EXR.2005 to 2000 and send them a backup file.
I have back up it (task> backup )and sand it over they cant open (restore) it and I do not understand why
What did I do wrong? (this time:- )
Thanks assaf
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Nov 6, 2007
I want to back up my database to a logical drive and restore it from this logical device. But I am unable to see my logical device through sql server management studio interface. I am able to back up to a logical device and restore it from logical device through T-SQL code. I am wondering how come I am unable to see my logical device from sql server management studio interface. Is there any way, I can solve this problem? Thanks in advance.
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Feb 8, 2001
Hi all,
I'm getting the following error message in NT event view:
Error: 9002, Severity: 17, State: 2
The log file for database 'db_sys' is full. Back up the transaction log for the database to free up some log space.
But I don't know how to back up the transaction log for the database.
Do I need TRUNCTE LOG (in E.M) to free up some log space?
I only know back up all the database using ALL TASKS -> BACKUP DATABASE in E.M. Please help me. Thanks in advance.
TH
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Mar 19, 2007
I have a stored procedure that calls another stored procedure with thefirst stored procedure opening a transaction:BEGINSET XACT_ABORT ONBEGIN TRANSACTIONdoes various updates/insertscalls 2nd stored procedure to proccess updates/inserts common to manyother stored proceduresdoes more various updates/insertscommitENDThe problem I'm having is that within the 2nd stored procedure is thatif it encounters an error, it does not roll back the entiretransaction and I finish up with missing records in the database. Amusing this in the 2nd stored procedure:if(@TypeId1 = @TypeId2 and @Line1 <'' and @Line2 <'')beginRAISERROR('error message', 16, 1)RETURNendWhat could the problem be? From what I've read, it seems as thoughyou can't have an open transaction within one sp that calls another spand it maintains the same transactoin? Is this corrrect?I tired the following too, and I still couldn't get it to work. Anyideas anyone?************ sp 1 ***********Declare @AddressError char(3)SET XACT_ABORT ONBEGIN TRANSACTIONexec Sp2@AddressError OUTPUT,@variable1,@variable2,etc. etc************** sp 2 *****************@AddressError char(3) OUTPUT,if(@TypeId1 = @TypeId2 and @Line1 <'' and @Line2 <'')beginRAISERROR('error message', 16, 1)RETURNendSET XACT_ABORT ONBEGIN TRANSACTIONprocess updates/insertsSet @AddressError = 'no'Commit******** back to sp 1************If @AddressError <'no'BEGINrollback transactionENDcontinue doing updates/insertscommit
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Jun 16, 2007
Hi,
I have a case where I read from SQL Server DB and write to a flat file.
I have one Data Flow Task inside which I have a OLEDB source component that feeds rows to a script component that writes to a flat file. I have set the txn attributes for the container to "Required" and "Read committed" . But I find that rows are written to flat file even when I throw an exception from my script component. Question is how do I prevent rows from being written to the flat file if error/exception happens. I want the whole process to be in a single transaction.
Thanks
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Aug 3, 2015
Need to restore database,here's the scenario:
Data got deleted on Friday evening, need to have database restored to FRiday afternoon and also some data has been entered on Monday, which needs to be there.
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Aug 18, 2005
I want to give a facility to backup database restore database to the customer in my project.
Database is stored in sql server 2000.
From the website the browser can take backup by clicking BACKUP button and
restore database by clicking RESTORE button.
is it possiable in asp.net programatically ?
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Jul 20, 2005
I'm formatting my mirrored drives and installing a third drive forraid 5 to add more space. I have backup exec. Can anyone tell me thebest way to backup SQL so I can be sure it will restore properly? Iwas thinking of using imaging software and creating an image to a USB2.0 hard drive. The DB is 80 gigs.ThanksNH
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Feb 28, 2008
Hello, I do not know how to implement transaction roll back in asp.net application. I am using SqlHelper class to communicate with my sql db.Thanks, junior
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Apr 9, 2008
Ive got an insert statement that fails, and below that I have code like the following:
IF @@ERROR <> 0
BEGIN
-- Roll back the transaction
ROLLBACK
-- Raise an error and return
RAISERROR ('Error INSERT INTO Address.', 16, 1)
print 'test was here'
RETURN
END
However, there is now rollback and the inserts below it are going through.
what do i have wrong ?
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Apr 3, 2015
The following transaction runs, then reverts back after 10 mins.
begin Tran [UpdateSundays]
update ScanAssetInformation with (rowlock)
set BusinessDate = dateadd(day,-2,BusinessDate)
where datepart(weekday,BusinessDate) = 1
commit tran [UpdateSundays]
begin Tran [UpdateSaturdays]
update ScanAssetInformation with (rowlock)
set BusinessDate = dateadd(day,-1,BusinessDate)
where datepart(weekday,BusinessDate) = 7
commit tran [UpdateSaturdays]
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