Data file corrupted; you wanted to recreate, yet there is no backup in place.
HelloI made a mistake to copy 17 GB of the data file of a mount pt to others, because of this, the data file has been corrupted (because I assume that only 2 GB can be copied directly, more RMAN must be used), but unfortunately I made this mistake. I don't have a current backukp available.
Is it possible to recreate or recover my data? Please help me with helpful suggestions.
784786 wrote:
I have old backup. which is not very valid for this particular file. However, I got database archive log. I guess I can recreate the data file. Can you please tell me how to do this.
What version of oracle?
What do you mean "corrupted file"?
How to identify the actually corrupted data files?
If you have the copy of backup data missing/lost files and archive logs you can RESTORE the DATA file and RECOVER the DATA file.
If you do not have a backup but the newspaper archive enough so
sqlplus "/as sysdba"
alter database create datafile as ;
recover datafile ;
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Hello.
I want to thank the members of the community to help :-).
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Hello
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What program do you use to backup data files?
What program do you use to backup data files?
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When you post here, you should tell us what operating system you are using.
If you want to make a complete PC Backup or a backup file only, buy an external hard drive.
Only Vista professional, comprehensive and company have the opportunity to make complete backups of PC.
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Here's how to back up and restore your files:
"How to back up your data.
http://www.wintuts.com/how-to-backup-your-data
http://www.home-PC-help.com/windowsvistabackup.html
"How to restore your files.
http://www.wintuts.com/how-to-restore-files
This is how to do a full backup of the computer and how to restore it (for Vista Business, Ultimate and Enterprise only):
«How to make a backup of the computer in Vista»
http://www.bleepingcomputer.com/tutorials/how-to-use-Vista-complete-PC-Backup/
"How to restore a full backup of the computer.
http://www.bleepingcomputer.com/tutorials/Windows-Vista-complete-PC-Restore/
FAQ from Microsoft about backup and restore:
"Back up and restore: frequently asked questions.
http://Windows.Microsoft.com/en-us/Windows-Vista/back-up-and-restore-frequently-asked-questions
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This is a very good tutorial about backing up your files in Windows 7.
The end of it, there is a section for related information that covers about everything that could happen for backups.
""The backup of the user and the filesystem in Windows 7 " "
http://www.SevenForums.com/tutorials/615-backup-user-system-files.html
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Windows 8.1:
How to make a backup of files:
Open the file Explorer in the bar of > go to the file/s you want to put > right-click on > hover over send it to the mouse cursor > select external hard drive or Memory Stick that you plugged them to save.
_____________________________________________
"Set up a drive for the file history.
http://Windows.Microsoft.com/en-us/Windows-8/set-drive-file-history
"Introducing Windows 8.1: how to back up data with the file history.
http://www.7tutorials.com/introducing-Windows-8-How-backup-data-file-history
'Restore the files or folders with the help of the history file'
http://Windows.Microsoft.com/en-us/Windows-8/how-use-file-history
@@@@@@@@@@@@@@@@@@@@
Use the System Image backup
You can still use System Image backup in Windows 8/8.1.
"In Windows 8.1 System Image backup.
https://www.WinHelp.us/system-image-backup-in-Windows-8-1.html
"Tip windows 8.1: using the System Image backup.
http://winsupersite.com/Windows-8/Windows-81-tip-use-system-image-backup
'Restore a System Image in Windows 7 and 8/8.1'
https://www.WinHelp.us/restore-a-system-image-in-Windows-7.html#reimage
______________________________________________
These are very good programs to use for the backup of the computer and are free:
"EaseUS Todo Backup free"
http://www.TODO-backup.com/products/home/free-backup-software.htm
"Welcome to EaseUS Todo Backup manual"
http://www.TODO-backup.com/support/help/
http://www.TODO-backup.com/download/docs/User_Guide.PDF
______________________________________________
"AOMEI Backupper Standard."
http://www.backup-utility.com/free-backup-software.html
"Configure and automate of AOMEI Backupper in Windows"
https://www.WinHelp.us/configure-aomei-backupper-in-Windows.html
_____________________________________________
"Macrium Reflect free"
http://www.Macrium.com/reflectfree.aspx
«Macrium Reflect Tutorial»
http://www.Macrium.com/webtutorial/tutorial.asp
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