How Do I Recover Data From SQL Server's Log Files?
Nov 29, 2006
Dear All,
One of our employee made a mistake and deleted something from database.
I would like to recover that log file without restoring the backup and
the other log files. The reason I want to do this is our database is
getting real time information I cannot shut down the database. Is there
any way to do this please let me know and help me .
HiWhen we issue a DBCC SHRINKFILE with empty option, the data fileis removed and the space is alloted back to the OS.Same way when we issue a an ALTER DATABASE to remove a database,all the data files and transaction log files are dropped.But can these files be recovered again by using any of the diskrecovery tools?Achilles
I have set the environment set for AutoRecover (for every 3 minutes and Keep information for 7 days under the SSMS 2014 Menu: Tools -> Option ->Environment -> AutoRecover).
I've rebooted the box and restarted the SQL Server service and nothing seems to create the files.
Howdy all -I am *not* a DBA, so please bear with me. A client's Windows 2000server went belly up yesterday afternoon after getting updates fromWindows Update. Wouldn't come up at all any more. I broke the mirrorfor the OS, rebuilt the Windows 2000 installation, and installed MS-SQL2000 and SP3 so that now the server is configured identically to whatit was before the crash.Now I have the databases in D:Program FilesMicrosoft SQLServerMSSQLData. D: is a mirror of the (now broken) oldinstallation. How can I get the databases into the active installationof MS-SQL on the C: drive?I was thinking of creating databases with the same name, shutting downSQL and copying the files from D: to C: but that sounds too easy.Any pointers greatly appreciated. Please remember that I am not anexperienced DBA, so use short words and speak slowly... :-)
-Dev server lost all its raid drives (which included user data/log files and ALL backups) -Raid drives were removed from server, so we could try and recover the data (not sure why they had to remove them) -Recreating the user db's isn't an issue, but I REALLY need to retrieve the jobs from the MSDB (developer was working on dts package for the last 2 months, but didn't check it in to VSS) -Since the System DB's (model, master, msdb) were installed on the C drive, I was able to recover their mdf/ldf files.
So we build an new server and recreated the user db's. How do I go about getting the jobs data from the msdb database?
I've tried the following -
Started SQL server with the -T3608 and was able to detach the MSDB database, but when I go to reattach using the mdf/ldf files from the other server I get the following error message.
Error 5172: The header for the file 'C:mssqldatamsdbdata.mdf' is not a valid database file header. The PageAudit property is incorrect
I've been doing some research and found a lot of great articles on how to RESTORE (from backup - dont have) or Rebuild (wipes out the data I'm looking for) the MSDB, but not how to replace it with only the ldf/mdf files....
Any idea's would be greatly appreciated.
Thanks
PS - All backups are now being copied to another server (lesson learned)
Hi all. A few days ago i installed mcafee total protection 2007 and that disabled my internet connection totally!! I couldn't fix it so i had to uninstall it. After uninstalling mcafee total protection 2007 still i couldn't join Internet!!
So i got mad and went and made repair installation of windows xp pro. After repair installation i couldn't activate it since Internet connection was still not working!! So i went and installed another copy of xp pro on different folder and named it WINDOWS (old one was WINDOWS2).Thanks god now i could join Internet but all my shortcuts and menu items are not visible.
Unfortunately I can't even start sql server 2000 either!! could any one tell me what should i do in order to get access to all database tables and data that i had in sql server and make a back up. I didn't install any new sql server yet. I be happy if an expert tell me what should i do. The installation folder of old windows(WINDOWS2) is still available along with sql server installation folder.Thank and looking forward for reply.
I need to recover some data in a table but i'm not 100% sure the right way to do this safely.
I'll need to query the two tables to compare the before and after but how do i go about restoring/attaching the backup database to SQL without causing conflicts?
If I restore, I assume this would just overwrite which is obviously the worst thing that can happen. if i attach the backup, how does this affect the current live DB? how do i make sure that it's not getting accessed and mistaken for the live DB?
I proposed on a new server that we separate Data Files, Log Files, tempDB, Backups, etc. onto separate LUNS on a SAN with High Speed Solid State Drives.I was told that with the new technology with solid state SAN's that it would decrease performance and that it did not work the same way as it did when you had RAID 5's etc.I thought that if things were cared out correctly by a SAN Administrator they would know how to configure for optimal performance.
raju writes "while attaching the mdf file we are getting the following error error 823 i/o error (bad page id) detected during read at offset 0x0000001404000 in file d:filename"
I wrong delete all contents of a table. I was going to restore the full backup database but the file is corrupt. I have: The last 5 days backups of Transaction Log; The actual Transaction Log;
Can you please give me any ideas of how to restore de transaction logs backups and/or uncommitted de deletion of all rows of the table.
Hi, I need to receover lost data. My colleague ran a database creation script to create a new database, from Sql Query Analyzer. While doing this, an existing database was selected in the combo box that appears on the top,which led to deletion of records from the existing database. I have a backup of the d.base taken 10days ago. The data was lost yesterday. Is there any way I can restore the database to the previous condition.
Hi, I was wondering after I had deployed my data base on the internet and made some modifications with her, what is the best approach to recover the data base deployed? Now if I'm changing some stored procedure in the data base deployed I have to make the same change in the original data base, it gives me a lot of work.
Thank you very much. Fell free to correct me if I misspeled something.
Hi, Let's suppose i am having a table in which i am having 10,000 records, "I d't need the data of the that table" by thinking this i deleteed all teh data of the table. But suddenly after 2-3 days i thought i need that data. So will i able to recover the data in both cases :
Delete - If i used teh Delete command to delete all teh data of teh table then is it possible to recover the data in teh above condition. Truncate - Or If i have used the Truncate command to delete the data from the table then is it possible to recover the data in above case.Please tell me , if it is possible in both or any cases then tell me how to recover it. Remeber i am not having any backups of the data.
Is there any way to restore the old data after changes made to the table.
Suppose i run a query Update CustomerDetails set customerName='Michel' and i forgot to mention the CustomerID whom name should be changed to Michel,in that case in all the CustomerName will update by Michel Name.
So,How can i revert back the changes made to the table?
Hopefully someone can help me with the following (potentially huge) problem:
We've got a simple database application running on microsoft sql desktop engine. This database contains two tables. Up until now all worked fine, but probably due to a programma that crashed part of the database seems to be corrupted or broken while today only one table contains/returns data and the other table does not return any values!
When I open the .ldf and .mdf files in notepad I see that there is data belonging to both the tables. But how do I recover it??
The max. size of the database has not been reached by far (it's only 9Mbs), the sql queries are correct.
This .ldf file is a log file (?) I can't find detailed info about the principles of these .ldf and .mdf files on the internet, is it possible to trace back what has happened en recover the database that way?
Hi All, By mistake i delete database from sql server. Due to which the the mdf and ldf file of the datbase are removed from my system. Then i used file recover utility and retrived my mdf and ldf files.But now i am not able to attach those files into databse. These mdf and ldf files has been corrupted. Now how can i recover my data from those mdf and ldf files.Please answer me if you have any solution on this problem.
Does any body have the experience to execute data warehouse backup/recover? What I want to know is how to backup/recover database in data warehouse and cubes.
I accidentally deleted some useful data in my database. I have both .LDF and .MDF files for this database. Is there a way to recover this database to a point of time? Thx.
Our SQL database log file got physically deleted. Now the database is in suspect mode. Is it possible to recover / restore the database just with the data file.
I created a new database and want to recover data from a backup this script
use master go restore database new from disk='D: ew.bak' go
but get an error
Message 3141, Level 16, State 0, Line 1
The database to be restored was named 'ats342'. Reissue the statement using the WITH REPLACE option to overwrite the 'new' database. Message 3013, Level 16, State 1, Line 1 RESTORE DATABASE is terminating abnormally.
Hi all, I am working with SQL Server2000 and I have done a horrible thing here. We here have an script that delete all data from all user tables of a database, and I run it in the master DATABASE. As we don't made backups of this database, now somethings of the database aren't working.
-- definindo o cursor... declare table_name_cursor cursor local fast_forward for select name from sysobjects where xtype = 'U' and name <> 'dtproperties'
-- desligando os vínculos... open table_name_cursor fetch next from table_name_cursor into @table_name select @alter_table_statement = 'alter table ' + ltrim(rtrim(@table_name)) + ' nocheck constraint all' exec(@alter_table_statement) while @@Fetch_Status = 0 begin fetch next from table_name_cursor into @table_name select @alter_table_statement = 'alter table ' + ltrim(rtrim(@table_name)) + ' nocheck constraint all' exec(@alter_table_statement) end close table_name_cursor
open table_name_cursor fetch next from table_name_cursor into @table_name select @delete_statement = 'delete from ' + ltrim(rtrim(@table_name)) exec(@delete_statement) while @@Fetch_Status = 0 begin fetch next from table_name_cursor into @table_name select @delete_statement = 'delete from ' + ltrim(rtrim(@table_name)) exec(@delete_statement) end close table_name_cursor
open table_name_cursor fetch next from table_name_cursor into @table_name select @alter_table_statement = 'alter table ' + ltrim(rtrim(@table_name)) + ' check constraint all' exec(@alter_table_statement) while @@Fetch_Status = 0 begin fetch next from table_name_cursor into @table_name select @alter_table_statement = 'alter table ' + ltrim(rtrim(@table_name)) + ' check constraint all' exec(@alter_table_statement) end close table_name_cursor
deallocate table_name_cursor
I have tried to restore master table with the restore function, but it doesn't work. When I try to do this I received a message informing that it can't copy the data because one file was in use. The server was in a single user mode.
Is there anyway to recover the data that I have lost?
Cristiano writes "hi everybody. A customer of mine has had a disk "crash" few days ago. I wrote for him a dwh application and of course the backup was not working...
now some "hardware guys" said that it is possible to recover most of the files.
what I need to restore would be: 1- the sql server db 2- the sql server dts and jobs 3- the analysis service cube and dimensions
to do so is it enough for me to have: 1- the .mdf and .ldf files 2- the master.mdl /.ldf file 3- the .odb file and .dim* and .role .map ... files
right? is it enough to recover everything? if it is so, what would be the right processes to recover everything? "
Hi,i wanna develop an web-database application with ASP.NET,C#, SQL server 2000.i already have some data whichs been in text format(text file) and now, i want to import the same into my database.the problem is, the text file has got many line breaks and also its not well formated to import it using DTS.Can any one help me out in importing the same.thanks in advance
My company recently purchase a NetApp FS870 and we want to move the SQL data files for out production DB. The NetApp is a NAS. Without loggining in to the SQL Server and establishing a drive mapping.
Does anyone know how to connect SQL2K to the remote machine?
We would prefer to use UNC naming to access the share, as leaving servers logged in and open with a mapped drive is a huge secutrity hole, and presents a reliability issue too.
We are facing a problem with loading data from .pdf files from vendor..pdf files have data in tabular format and we would like to insert those fields into a SQL table.We do not want to insert the physical location of the file but, we need to insert the data within the file.How can we read a pdf file?
Hello, I have been having a bit of trouble finding help on the safestway to move data files to a different disk on the same server. Mosthelp is about moving data files to a different sqlserver. I just wantto move the files to a different drive on the same server. Any helpwould be appreciated.Thanks,David