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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Why is a Full Database Backup (as opposed to a level 0 backup) required in Oracle after switching to ARCHIVELOG mode?

The Oracle 12c 2 Day DBA manual states: While whole database backups can be an important element in your overall backup strategy, they are also a required step in some situations, such as when ...
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3answers
6k views

Extract mdf & ldf files from backup file?

Is there a way to extract SQL Server files (.mdf & .ldf) from a backup file (.bak) to a physical location, without restore database? I need a restore query or script to restore files from bak ...
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3answers
10k views

Opening a .backup file for PostgreSQL

I'm going to warn you that whoever explains this needs to talk to me like I'm five years old, because this is something way, way beyond my level of expertise. In short, I have what I think is a ...
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2answers
69 views

Phantom SQL Server database backups. How can I find the cause? [duplicate]

I've noticed from the event log, that something is backing up SQL Server databases, separately to our maintenance plan backups. We can see something running SQL backups at 03:00. Our intended backups ...
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1answer
86 views

Why take full backups when you can do COPY_ONLY?

With a SQL Server 2012 availability group, you can only take COPY_ONLY full backups on replica. You can make regular BACKUP LOG. As it's possible to restore logs backups after a database restoration ...
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1answer
66 views

The purpose of transaction log in Restore First

Based on this article , the golden role for restore first After restoring full database backup, restore latest differential database backup and all the transaction log backup after that to get ...
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1answer
3k views

Backing entire Postgres database server up with pg_basebackup

I back Postgres DB 9.1 up using following command: pg_basebackup -h 127.0.0.1 -U replicationuser -D /storage/test_backup -Ft -z -P In postgresql.conf I have this set: wal_level = hot_standby ...
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4answers
143 views

Shortest method to upload database to server

I have a SQL Server script file which ranges size of 3gb and I am in need to upload the script file to an external server. i generated script for my 6gb database by following these steps ...
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2answers
997 views

Row level restore with Oracle Recovery Manager (RMAN)

We're approaching the end of 2012 and I still find myself relying on database exports to maintain the ability to do row level restore operations. While this is a proven method, it sure would be nice ...
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1answer
25 views

SQL Server backup media set and file separation

SQL Server backup media set and file separation If I am going to do such a backup plan under full recovery model for a particular database Weekly full database backup Daily differential backup ...
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1answer
226 views

What does it mean to backup a database

What does it mean to backup a database? My impression is that you would simply dump everything that makes up the database into some format that can be stored externally and used to restore from when ...
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2answers
3k views

Backup plan for MySQL NDB cluster databse not innoDB

I have a Database which will grow more than 250GB all data is in NDB engine(2 datanodes) and no other mysql engine used for data store. What are the best approaches or plans for MySQL Cluster NDB ...
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2answers
388 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 ...
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3answers
49 views

Backup Error with Msg 3201, Level 16, State 1, Line 1 & Operating system error 3

When i am taking the backup in network share drive with mention below TSQL. Use DatabaseName Go Backup Database DatabaseName To Disk=N'H:\DatabaseBackup\DatabaseName.bak'; Go I am getting the ...
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1answer
730 views

Backup SQL Server to Google Drive

I have Microsoft SQL Server 2014 on an Azure VM (Windows Server 2012 R2) with one database. Is it possible to configure an automatic backup to my Google Drive folder? Maybe a special tool or ...
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1answer
49 views

Automate backup using Windows Task Scheduler

I want to run an automatic backup of SQL Server 2012 Express using Windows Task Scheduler. I have 3 user databases. I want to backup all 3 user databases through a single stored procedure and a ...
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2answers
106 views

Tokudb HotBackup

I was trying to evaluate the latest tokudb Hotbackup for percona's tokudb engine. This install is under debian (Ubuntu 14) I was able to get all the packages installed with out error and get all the ...
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1answer
149 views

How to automatically shrink a SQL Server transaction log only if it exceeds a certain limit (e.g. 20 GB)

Our database is set to FULL recovery mode and we take a database backup and a log backup every night. On several occasions we have noticed that the transaction log file is not truncated after the log ...
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1answer
73 views

Why does sys.fn_hadr_backup_is_preferred_replica take so long? Is there a better way?

I am using sys.fn_hadr_backup_is_preferred_replica to query the databases on each of my Availability Group replicas to figure out if the database should be backed up on that replica - then, if the ...
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1answer
48 views

How do I update my database generated pg_basebackup through WAL files?

Following on from this post... I have a backup generated by pg_basebackup regularly, I would update it through the WAL files. What is the best way to do it?
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1answer
56 views

what exactly does an RMAN backup do?

I have a database with multiple schemas and data in the tables. I create an rman backup and backup archivelogs. I drop 90% of the tables. I do rman restore and recovery with controfile from ...
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1answer
120 views

Saving SQL Server DMV's for later use [closed]

Is it possible to save DMV's in SQL server database backup, which can be restored on different server, I mean with master db details( views and all)? If not, what's the best way to maintain 2 ...
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1answer
34 views

Transfer data to New Laptop [closed]

I am completely new to PostgreSQL My data is in the directory c:\postgres.......data and the database name is GXPGRAN. I need to copy this to a new laptop. Can somebody please give me all the steps ...
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1answer
665 views

Best practice for archiving old data? [closed]

We are migrating 3 slightly different SQL databases into one (SQL Server 2008R2). We want to keep old databases "alive" for some period of time but once we've gone live we don’t want staff ...
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3answers
164 views

What is the quickest way to restore a DB

Lately I have been finding myself restoring a DB to my local instance of SQL-server a lot more. I wanted to speed up the process by writing a script and then just executing it in order to restore over ...
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1answer
312 views

Does restoring an Oracle backup of the whole database restore schema objects?

I used RMAN with, RMAN>backup database archivelogs all; After that I truncated a table. I then tried to restore with, RMAN>restore database; RMAN>recover database; RMAN>alter database ...
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1answer
403 views

Postgres live backup

Goal: Maintaining a constant live backup of a postgres cluster. In case of cluster failure, backup/Secondary will contain most up to date view of Primary cluster. This is not a hot standby ...
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1answer
9k views

Sql Server Backup Job failed

I have a sql agent job setup for taking full backup every night. Last night the job failed with the following error message. Sql Server Error Log Message BackupIoRequest::ReportIoError: write ...
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1answer
2k views

Restoring a SQL Server 2008 R2 backup on SQL Server 2005

I'm getting an error whenever I restore a testing database on SQL Server 2005 that was backed up from SQL Server 2008 R2. It seems that I cannot restore from a higher version of sql onto lower ...
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1answer
70 views

Postgresql create database from backup programmaticly [closed]

I got a big problems here. Let's say I got the table A (with columns like id, name etc) in the main database. So when I making INSERT into A I need to create new database lets say B_id. I got .backup ...
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2answers
241 views

MS SQL Server 2012 Error on TLog Backup

I have a MS SQL Server 2012 installation on which I am restoring a SQL 2005 .bak which includes some full-text catalogues The original .bak has no conflicts with 2012 (as the migrate advisor was used ...
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1answer
2k views

Moving MySQL Cold Backup to Another DB Server

I am new to MySQL and want to know the info whether taking a cold backup from source and copying it onto new server with same version require any additional configurations settings to be changed. As ...
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2answers
1k views

How does mysql transaction works?

I already know how to use transactions, what I want to know is how MySQL transaction handles data being processed... For example, consider the following: 1. I have 2 databases (db1 and db2) ...
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4answers
71 views

Copy my data from a existing db to a new db

I have a database which has my data's that I have been working for months. Now, I want to delete that db. What concern's me is that the data's that I have might come in handy in the future ...
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1answer
3k views

Oracle big datafile restore fails using Netbackup (ORA-19511, ORA-27190)

I am restoring datafiles about 1000GB in size. I am using Netbackup as a backup server. After 2 hours reading Netbackup fails with the following error: 7/25/2012 3:27:50 PM - Error bpbrm(pid=1176) ...
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1answer
720 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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1answer
38 views

How to check if a postgresql backup is finished or not? [closed]

I started my backup yesterday, but now I don't know if it is finished or not. Can you please help me?
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1answer
51 views

Help interpreting Oracle RMAN results

I am extremely new to Oracle and had to take a backup on an 11g database that is in NOARCHIVELOG mode. Below is the output. It claims that the backup failed but I have a file of appropriate size where ...
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1answer
42 views

Database Full Backup fails being deadlock victim

On one of my SQL Server 2008 R2 Databases, Full backup job fails about twice a month due to Deadlocks. Transaction Log backup is only other job which is scheduled to execute at the same time. Can you ...
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2answers
31 views

Transaction log backups cleaning

I have a quick question regarding the cleaning of no longer necessary transaction log backups. So, I have a database in FULL recovery mode. Every night, at 10 PM a backup takes place (via maintenance ...
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3answers
179 views

Is it possible to restore database only with .trn files?

How do I restore database only with .trn (transaction log backup) file? I did below two steps Microsoft SQL Server Management studio shows "Restoring". 1) RESTORE DATABASE [database_name] FROM ...
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2answers
27 views

When to use full backup or full backup and then differential backup [duplicate]

There is a SQL Server 2012 database that has the following configurations Recovery mode : Simple Backup Schedule : Full backup at 01:00 hours daily as well as differential database backup 13:00 ...
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1answer
76 views

MySQL backup practices

I have a MySQL master-master replication with second master in read-only mode. My questions reg backup are: I have 10 databases so should I take daily backup as one dump containing all the ...
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1answer
501 views

How to copy tablespace from one database to another database in Oracle 11g

How to copy tablespace and datafiles from one database to another database in Oracle 11g in same server ?
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2answers
149 views

Understanding RMAN Backupset

I feel a bit confused when I read about RMAN! what are the differences between: RMAN> backup as backupset RMAN> backup database; RMAN> backup database plus archivelog; RMAN> backup ...
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1answer
66 views

Differential Backup since a date

Hi is it possible to do a differential backup in ssms 2014, so that it gets all changes since a specified date?
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1answer
82 views

Maintenance plan to backup differentials hourly each to a new file name in SQL Server 2012

In addition to a nightly full backup, I'd like to set up an hourly differential backup maintenance plan in SQL Server 2012, where each differential backup file should receive a different name. It ...
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1answer
134 views

PostgreSQL SELECTs not returning correct result following recovery?

I took a copy of the current database from a live slave using pg_basebackup and recovered it to a brand new isolated computer following the instructions in the docs. Once the new database had started ...
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1answer
507 views

Restoring pg_dump hangs

Aim: backup a database and restore it in database2 pg_dump A PG Dump has been created by issuing the following command: c:\Temp>pg_dump -U postgres postgres > backupTest2.sql Opening ...
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2answers
280 views

SQL Server Backup Proposal

Our current system setup sees each server backed up by 3rd party software(Veeam). The backup for our Database server occurs once each night. Alongside this, there is another 3rd party tool that ...