Making copies of data which may be restored after a data loss event or to recover data from some earlier point in time.

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Restore Oracle database from cold backup files

I have cold backup files for an oracle database. Can someone tell me a step by step procedure on how to restore the database on my machine.I am using Oracle 11g
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1answer
2k views

mysql db backup excluding specific tables

Are there any mysql scripts for taking a database backup by excluding specified tables? Also, what is the best way to take backup of a running mysql system?
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1answer
82 views

Back up and restore to main system

I have a software system running in my office with MS SQL Server in back end.I want to backup the database daily and delete all data from database so that only one-day data will be in the database at ...
2
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1answer
68 views

Oracle 10g Administration

Redo log files are not multiplexed in our database. Redo log blocks are corrupted in group 2, and archiving has stopped. All the redo logs are filled and database activity is halted. Database writer ...
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2answers
3k views

why user with db_owner & db_BackupOperator database role is unable to restore database?

I'm in sysadmin server role on the server . All Programmers are in dbCreator Server role , So they can create databases for themselves and they have in db_owner & db_Backupoperator database role ...
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2answers
214 views

Recovering from Oracle host OS disk failure (options)?

If an Oracle host OS has a complete disk failure and the host can be restored (assuming from a recent clone of the host OS disks) from backup, is it possible to then point the host to the existing ...
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2answers
3k views

Restore Database script

I have a live database which i would like to create a backup and restore script that will take the "live" database every night, create a back, then drop the existing "testing" database (if any) and ...
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2answers
3k views

Incremental backups using MySQL Workbench

I need to start doing regular backups of my databases, and I'd like them to be incremental; that is, only backing up the tables that have been changed. I use MySQL Workbench, and I've used the export ...
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1answer
164 views

Aborted restoring from back up Sql Server 2008

I started restoring from backup using (WITH REPLACE, RESTORE WITH RECOVERY) and realized that it was a mistake, so I stopped restoring. Now this db is unavailable and has a 'Restoring' status. Can ...
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1answer
4k views

RMAN-06054: media recovery requesting unknown archived log, Where is SCN kept?

I have the following situation: Backups of DB1(located on srv1 server) database are taken everyday at 1:00 AM. I took backed up files(datafile,archivelog,controlfile,spfile) of 24/10/2011 and ...
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3answers
912 views

Restore script in SQL server doesn't work in W7

I need a little help with a restore process, I can't find specific help in other similar questions, sorry if my question does not correspond. I have this script in my system: RESTORE DATABASE ...
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2answers
4k views

How to delete a Backup from a backup set in SQL Server 2008 R2

The title pretty much sums it up. We are running out of space on our backup disks, and need to remove old backups out of the set. I can't seem to find any information on this.
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4answers
5k views

How do I archive and restore selected tables using SQL Server?

How do I archive and restore selected tables using SQL Server?
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1answer
1k views

Maintenance Plan fails but the query it generates Runs

I have an SQL Server 2005 Enterprise Edition whose Maintenance plan fails constantly with the error: backup MYSERVER (MYSERVER) Backup Database on MYSERVER Databases that have a compatibility level ...
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2answers
288 views

Is command BACKUP asynchronous operation

I got strange delays when backed up a group of databases (20 more) in one scope (TSQL) to the same file location. Is it possible that multiple backup operations are running at the same time? I have ...
2
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1answer
488 views

How often do you back up the distribution database for transactional replication when sync with backup is set to true for the distribution database?

I'm trying to figure out how often to back up the distribution database when "sync with backup" is set to true. If I understand this correctly, sync with backup ensures the distribution database can ...
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6answers
3k views

SQL Server: why to use a backup device?

When taking backups from databases, is it "good practice" to use logical backup device for backup location? What is the benefit of using backup devices?
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1answer
2k views

Is SQL Server Backup single or multi-threaded?

If you perform a... BACKUP DATABASE [DB_Name] TO DISK=N'c:\backups\db_name.bak' WITH STATS=10 Will that perform a single or multi-threaded write? Our Server support company advised us that if we ...
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1answer
103 views

Backup / Restore Distributor

I have a database architecture with: => 1 distributor running on a dedicated instance of SQL Server 2005 => 2 publishers running each on a dedicated instance of SQL Server 2000 and SQL Server 2005 => ...
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1answer
212 views

Copy database schema from SQL Server 2008 to SQL Server 2005 [duplicate]

Possible Duplicate: Downgrading from SQL Server 2008 to 2005 Is it possible to copy the database schema from SQL Server 2008 to SQL Server 2005, I don't need data from the tables, just ...
4
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1answer
831 views

Why are Stored Procedure schema changes not being replicated when using ”initialize with backup”?

In SQL Server I have set up transational replication using the "initialize with backup" option. Data is being replicated fine, as are schema changes to tables. However, schema changes to stored ...
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7answers
797 views

Scheduled backup task doesn't always backup all databases despite always saying job successful

I have a job in SQL 2008 that runs a stored proc to backup all databases. This runs daily via sql server agent job. It quits with success every day but some days it quits with success only after ...
9
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5answers
521 views

SQL Server Backups - A couple of questions

We run our weekly backup job at 9pm on Fridays and we are experiencing a couple of issues with regard to disk space (which gets perilously low at times) and performance. We're looking at ...
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2answers
1k views

Quick MySQL Backup

I have a database which is grown to 3GB and it has 3 MyISAM tables. And I have 4GB RAM. What will be the best (quick) way to backup this database without any performance lack. Or mysqldump will work ...
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2answers
181 views

How to compare the database of a backup from another environment

Has anyone had any luck with taking a backup (approx 30 tables) from an Oracle database's live environment, then loading a test environment with this backup and doing a comparison between the test ...
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3answers
7k views

Is it possible to restore sql-server bak and shrink the log at the same time?

We have a bak file from a client that we have transferred to our developer offices for problem investigation. The backup is currently 25GB and the restored database is about the same size however it ...
2
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4answers
459 views

MySQL Database Poisoning: How to recover to a known state quickly

If you want to avoid database poisoning (ie want to recover back to a point-in-time quickly) which methodology do you prefer? Let me define data poisoning. You insert some things in your database ...
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1answer
155 views

Oracle Backup/Recovery architecture

When we write the following: allocate channel ch1_tape type sbt; set controlfile autobackup format for device type sbt to '%F'; restore controlfile from autobackup; RELEASE CHANNEL ch1_tape; By ...
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6answers
416 views

Backing up SQL DB more frequently

I currently have a scheduled task that fires off each night at 2 AM that calls SQLCMD.exe and passes it a .sql script to run for the backup (shown below). We're a pretty small company with growing ...
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2answers
362 views

Unable to BackUp Database on SQL2005

I have a database in MS SQL2005 that I can not backup. Whenever I try to create a backup of the selected database through SQL Mgm studio I get this error: The Backup of full-text catalog in not ...
2
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1answer
142 views

Oracle Backup and Recovery Issue

I have backed up database located on Host1 and restored/recovered it on Host2. After a while, I backed up DB on Host1 again. Now I want DBs on Host1 and Host2 be the same using last backup. How can ...
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5answers
7k views

How do I copy my SQL Azure database to a local SQL Server instance?

I have an OLTP database hosted on a SQL Azure instance. I want to pull a copy of the database down from the cloud so I can run some heavy extracts and OLAP-style queries against it without impacting ...
1
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4answers
301 views

Database backups

I have 10gb RDBMS (SQL Server). I would like to back it up as often as possible, but it seems that I will need an awful lot of space to make this happen on the order of several times per day. How ...
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1answer
613 views

How to create a backup schema script including System Tables in Sql Server 2008 R2?

I need to back up my entire DB including one table that's allocated in "Tables -> System Tables". When I try to generate the sql scripts to back up my DB this table isn't mapped in this scripts. Do I ...
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2answers
365 views

Scheduled backup errors

I am trying to do the following. I have about 50 DBs and a network NAS that acts as backup machine. I have made an sql script(lets say backup.sql) with 50 lines each of these say "BACKUP DATABASE ABC ...
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3answers
2k views

Backup Compression in SQL Server 2005

I noticed that simply zipping my backup files reduces the space used by 70% My idea was to, initially, backup the databases to a local server; then, using Bacula or Cobian (I don't have a budget), ...
4
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2answers
8k views

How can I backup & restore a single FILEGROUP in Sql Server 2008

Previously, on ServerFault I asked a question about backing up and restoring a Sql Server 2008 Filegroup. Today, when I tried to RESTORE one of these FILEGROUP backups, I got the following error:- ...
3
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1answer
97 views

Are database backups specific to the OS on which they are created?

I am trying to get a better understanding of the behaviors of database backups for Sybase (15.X) and Oracle (11.x) as it relates to the underlying OS. Is the backup file OS specific or can it be ...
3
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3answers
774 views

How and what do you backup for a simple Oracle DB?

Background: I am in the following situation: We have a JIRA instance running on a dedicated server machine (Windows Server). It uses Oracle XE to store all the data. The JIRA instance and a Oracle ...
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4answers
2k views

Determine when a PostgreSQL database was last changed

I'm looking at altering how backups are done and am wondering if there is a way to determine which databases in a postgreql cluster have not been recently changed? Instead of using pg_dumpall, I'd ...
8
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5answers
21k views

Restoring a backup to an older version of SQL Server

When trying to restore a backup to a SQL Server Express 2008 database I got the following error: Restore failed for Server '...\SQLEXPRESS'. (Microsoft.SqlServer.SmoExtended) ...
2
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2answers
198 views

Extract specific backupfiles from SQL Server 2008 backup

I have a big .bak file containing a full backup and some transaction log backups. Is it possible to extract only the transaction log backups so I can copy them to another PC? (the full backup has ...
12
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3answers
2k views

How often to backup the master database?

The suggestion in BOL is fairly vague: Back up master as often as necessary to protect the data sufficiently for your business needs. We recommend a regular backup schedule, which you can ...
12
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2answers
3k views

Should I stop transaction log backups during a full backup?

I have two SQL Agent jobs which are scheduled to run at different intervals. The first job runs a full backup once a day. The second job runs transaction log backups every fifteen minutes. As the ...
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3answers
2k views

Will the transaction log shrink automagically in SQL Server?

When SQL Server database in a SIMPLE mode, you don't have to care about the transaction log bakcups. But in a SIMPLE mode, the transaction log seems to grow as it does in FULL mode. Does is truncate ...
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1answer
512 views

Oracle Backup and Recovery

My backed up archivelog file format is 'al_%U'. During recovery it shows the following error: RMAN-06054: media recovery requesting unknown log: thread 1 seq 17 lowscn 671075 How to determine which ...
8
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3answers
3k views

Is it possible to backup and restore part of a database in sql-server?

We have a sql-server 2005 database that we regularly transfer from our client site to ours. This takes a long time because we don't have a direct connection and have to transfer the file over their ...
2
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4answers
3k views

SQL Server: cold backup, shutting down services?

One of our collagues told me that they are doing "cold" backups for SQL Server so that they are shutting down services and then taking a backup somehow. I think this is all wrong! Am I right? I think ...
11
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1answer
1k views

How does PostgreSQL handle Checkpoints in the middle of a WAL-enabled backup?

On a PostgreSQL v9.0 I've a WAL archiving system working. So WAL files a regulary archived (when 3 WAL are created or if a WAL is older than 15 minutes). Now I add a binary packup of the PG_DATA ...
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3answers
6k views

Why is a .bak so much smaller than the database it's a backup of?

I just took a backup of a SQL Server database. The MDF and LDF files together total around 29 GB, but the .bak file was only 23 GB, about 20% smaller. My first guess when one version of a set of ...