Detach/Attach DB VS Stopping SQL Server
Mar 21, 2002
What problems could be invoked by stopping SQL Server and copying a user databases data and log files and pasting these files over existing files on another machine.
Ex:
MyDB on Server1
MyDB on Server2
Stop SQL Server Server1 and Server2
Copy Server1.MyDB files
Over write Server2.MyDB files
Start SQL Server Server1 and Server2
Make sense. This scenerio seems to work but wonder what side affects could result.
Any comments would be helpful!!
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Aug 11, 2004
Hello,
MSSQLSERVER VER : 2000
Using - Attach and Detach Database to move the database from one Server to another server.
I did detached the database from Production and attached my test server, everything OK
Questions about - syslogins & sysdevices data dictionary tables
1. When I select * from sysdevices on production it shows all the database name size,phyname etc. After attaching to my test server I cannot see these things.. I know because it different master database but, how do I fix this.
2. syslogins - is there way to move all the syslogins after attaching to test server.
Please let me know if you guys have done anything on this.
Thanks.
Regards,
K.
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May 23, 2006
How I can detach from DB and validate it?
(I mean check if it is detached or not)
Is there any why to return a value from sp_detach_db in C++?
(may a cross posting, please check under developer posts)
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Oct 10, 2006
I've just created ASPNETDB database with ASP.NET Security. Now, I want to send this db to orther computer.First, I detached this db, then when I used attach database in that computer, there is an error :Error 602: Could not find row in sysindexes for database ID 8, object ID 1, indext ID 1. RUN DBCC CHECKTABLE on sysindexes. Please help me .Thank.
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Jan 4, 2002
I have developed a db on a local machine (98) and would like to move it to another machine running nt 4 where it will function as a production db. I am mapped to see the other server (called "labnt"). The drive on "labnt" is partitioned, with the c drive holding programs, and the e drive designed to hold the data.
I would like to move the db (called SNB01) to the MSSQLData subdirectory on the e-drive. I have tried the following sproc to detach:
EXEC sp_detach_db 'SNB01', 'true'
And the following to reattach:
EXEC sp_attach_db @dbname = 'SNB01',
@filename1 = 'labntewmssqldataSNB01_Data.mdf',
@filename2 = 'labntewmssqldataSNB01_log.ldf'
The above path was given me by our network admin guy.
QA gives the following error:
Server: Msg 5105, Level 16, State 4, Line 1
Device activation error. The physical file name 'labntewmssqldataSNB01_Data.mdf' may be incorrect.
Please help. I am thrashing about. D. Lewis
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Nov 11, 2001
In SQL when I right click on Databases the option to use Attach/Detach is greyed out. I don't understand why. I'm running SQL 7 on Win2000 server and I have Win2k at sp2 and SQL at sp2.
Help please!
Chris
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Sep 23, 2004
Hi folks,
Is it possible to detach a database on SQL Server 2000 and attach it to SQL Server 7 ? I know it's fine to do the other way around. Also, any adverse effects I should be aware of ?
Thanks
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Nov 5, 2007
Hello, everyone:
I want to move a database instance (about 50 user databases) to another server, both are running SQL Server 2000. Which method is better, retore from backup files or detach/attach? Some papers said restore amybe cause incorrect login and password transfer. Is it true?
Thanks
ZYT
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Jan 2, 2004
An original database (eg A.mdf) is imported/exported to a different server as named B.mdf. The detach of A.mdf was unitentionally not done. It seems that both the database were updated.
A.mdf - 123000KB 25/12/2003
A_log.ldf - 14000KB 25/12/2003
B.mdf - 67000KB 25/12/2003
B_log.ldf - 1024KB 25/12/2003
In this case, which mdf & ldf should be the correct database?
If I I remove A.mdf database by "detach", will B.mdf database work?
SQL server 2000 and SP3 installed.
Assistance is appreciated
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Jun 9, 2008
Hello Experts, How Can i Attach and Detach my MDf file to an instance of SQL server 2005 Programatically or by T-SQL :)
ElmasryA1
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Mar 23, 2006
I created a db in ssms; I detached it and moved it into a subdirectory of a vb app. Now sql server says the database does not exist. If I recreate the database in smss, I can run an INSERT INTO using that db as the destination. However, this only works if I keep it in the mssql data directory. How can I move it to the apps subdirectory so that it can be deployed with the app and still work? BTW, I also tried creating the databases in VS2005 with same results.
This is the connection string (tried this and non-express version with same results):
strDbConn = "Provider=SQLNCLI;Data Source=.SQLEXPRESS; AttachDbFilename=" & DbPath & ";User Instance=True;Trusted_Connection=Yes"
This is the sql statement:
sqlCopyTable = "SELECT * INTO "
sqlCopyTable = sqlCopyTable & CleanDbName & ".dbo." & CleanTableName
sqlCopyTable = sqlCopyTable & " FROM " & RawTableName & ";"
ConnectSQLExpress RawDbPath, "Source"
ConnectSQLExpress CleanDbPath, "Destination"
SourceDbConn.Execute sqlCopyTable
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Jun 9, 2008
Hello Professionals, How can i attach and detach my mdf file to an instanse of sql 2005 programatically or by T-SQL
ElmasryA1
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Sep 8, 2005
Alan writes "Is it possible to create scripts which can be started remotely
to attach and detach databases into SQLExpress 2005.
If so how."
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May 21, 2007
Hi, all experts here,
Thank you for your kind attention.
I am having a question on detach/attach database. As when we detach/attach database, we have to copy both of .mdf and .ldf files to the targeted filepaths, in this case, when the database is large, then it takes a pretty while to copy the physical files though. In this case, I dont really see the point to detach/attach the database? Instead, backup/restore may be faster? (also, as detach the database, the files has to be taken offline)
Just confused about the way we trasfer database files with detach/attach. I am looking forward to hearing from you shortly for any advices for that.
With best regards,
Yours sincerely,
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Apr 15, 2008
Hello all,
We are planning to change the location of the log files from my production server. We have setup the mirroring also for those databases. I know for the databases without mirroring job i could detach the database, copy the log file to the target location and attach the database with the new logfile location. But for the mirroring databases I don't have any idea how to do that. Could some body guide me thorugh the process on how to do this task? thank you very much for all your help!
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Jun 18, 2002
We have a hardware problem and will be getting a new RAID HDD system.
I've asked the tech onsite to backup and detach the MSDB and then reattach.
Can this be done, I expect to have him detach the new MSDB when MSSQL is re-installed. Then replace that file with the previously detached version and run reattach from QA(?)
Will this work.
TIA
JeffP...
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May 9, 2001
This might sound dumb, but BOL says you can use detach/attach to "MOVE" a database but can you detach and copy the files to a new server, leaving the files on the original and running the attach on the new and the old? (effectually a way to copy)? I know how to use data transformations/import,export was curious?
Help appreciated!!
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Jan 30, 2000
I have similar question like Tim asked but from a different angle. I wish I pose my question here too anybody can help answer this.
I tried to use detach and attach method to do backup of the user database (not master, maybe we can do master too) on another server, but it looks the login and permission credential would not go together. I come to see different kind of message I tried to login as non-sa user after I attatch the database on different machine. I would be denied for SQL timeout. It looks like loginand user dose not exist in new server because I did not move master database too. But even if I recreate the login when I tried to associate user with login I will see a message saying user or role already exist in database. If I go back to check the user it did not show up on enterprize manager on that database.
So my question would be
1). how to move login and user together with user database.
2) do we have to move master database where the login infor. reside
3). if so how to move master database from one server to another when other server already have master database exist?
Hope somebody can answer this.
Wislon
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Mar 20, 2014
We have 5 databases which will sum up to 8+TB, housed in our EDW server. We are planning to migrate to another storage system for better performance.
I am planning Full backup and Differential backup and detach the DB and restore the DB in the new storage system.
Or should I detach,copy the data and log file and attach the files, will this approach have any advantages ?
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Jul 15, 2006
I'm trying to see the differences between Backup/Restore and Attach/Detach. I backup and detach a database from SQL Server 2000 SP3 and then attach and restore it to SQL Server 2005 SP1.
The differences I noticed are:
1. The restored database has a much larger initial size (database size is same) for data and log.
2. The attached database has a last backup date
3. If the backup is restored over a database, the restored database is showing owned by the database owner of the database restored over but syslogins and sysusers do not match.
I don't understand why #1 happens.
Are there any other differences between Backup/Restore and Attach/Detach?
Thanks,
Peter
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May 23, 2001
A database move was accomplished by detaching the database from the legacy server and attaching it to the new server. The servers ran NT 4, SP6a, SQL 7 SP2. The new server had the same name and IP as the old server.
However that process (detach attach) does not bring over the users (who had access to the database on the legacy systems) correctly.
Under databases, roles the users existed. Under security, logins they did not.
We were obliged to drop the roles and recreate the logins and assign new roles. In the case of an NT user group we were unable to drop it. We had to create a new one and add the users to that group under User Manager.
So far I have not found anything that deals with the user account/role problem.
We have to move a similar database tonight. Do any of you know of an alternative "move" that brings the user roles/logins across correctly?
Thanks in advance.
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Feb 28, 2008
Hi!
I did:
alter database mydb set single_user with rollback immediate;
exec sp_detach_db @dbname='mydb', @keepfulltextindexfile='true';
then I tried to copy files to new location on other drives, same server but got
>>Cannot copy <myfile>: Access is denied
Make sure the disk is not full or write-protected and that the file is not currently in use<<
I also tried rename of file without success.
I also tried with db service stoppet (not preferred) without success.
How to find out, which process locks the files?
Best regards
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Jul 20, 2005
If I detach a database on a server, then attach the database with asingle file only using the data file...will I lose any transactionsthat were in the original log file? There is a debate going on here atwork where some people think that during the detach, transactions inthe log file are saved to the data file.Thanks!
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Dec 13, 2001
Anyone got any "gotchas" or "nightmares" they want to share out of experience where the services have been shutdown without the proper forethought?
I'm trying to put a case in for a SQL DBA to be paged and to be in charge of shutting down the services and/or put together a checklist of things to verify first.
While I realize shutting down the services is supposed to be a graceful shutdown process I'm willing to bet there are a host of considerations.
Appreciate any Input.
Regards
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Oct 31, 2000
hi,
i am having sql7 with sp2.
Recently our server got bounced back. No body stopped the server, there are no work load at that time. Server suddenly stopped and started.
It is weired.
Can anyone have any clues , how it happened and why it happened.
Thanks!
__kavira
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May 7, 2007
I have a SQL Server agent that keeps stopping for no reason. It happens about every other day. I have to go in on the server and manually start it. What would cause this to happen? We have about 50+ computers that need to sync with the server and do so successfully without having to manually start the agent every other day. How do we fix it?
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Nov 21, 2007
An attempt to attach an auto-named database for file C:WebApp_Dataaspnetdb.mdf failed. A database with the same name exists, or specified file cannot be opened, or it is located on UNC share.
My web.config file, the connection strings
<connectionStrings>
<add name="POAdatabaseConnectionString1" connectionString="Data Source=sss;Persist Security Info=True;Initial Catalog=POAdatabase.mdf;Integrated Security=SSPI" providerName="System.Data.SqlClient" />
</connectionStrings>
I cann't really find the statement for attaching aspnetdb.mdf. I don't where to find it. Is there any other web.config file in the C drive? Thanks for help!
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Feb 9, 1999
Does anyone see any negative consequences to stopping and starting SQL Server nightly?
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Jan 29, 2006
hi.
how can I copy any mdf file to another folder without stopping sql server?
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Nov 10, 2005
Hello All...
I am new to this forum (and new to SQL for that matter), so I hope this isn't a stupid question. I tried searching for the answer but couldn't find it here.
I am trying to start & stop SQL server through the command line so I can start & stop it as a scheduled task. Are there any switches for sqlmangr.exe I can use? Maybe another way?
Thanks....Dave S. <majordis@weco-group.com>
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Jul 23, 2005
How execute extended proc on stopping ms sql server (it mean beforestoping).Is it possible to handle this?Or is in system proc a'la sp_on_stop?Thx
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Jul 12, 2007
we run ssrs 2005 sp2 hotfix applied - how do we troubleshoot a problem where the report server service is stopping unexpectedly several times a day. When this happens please tell me what happens to the reports that are currently running. I believe that
1) a current subscription that is running will fail - not sure if it will try to restart itself 3 times or not
2) connection to the report server db cannot be made when that occurs
this is a huge problem for us and we dont know what is causing it or how to fix it. Any suggestions would help. I can tell you that our customers flood the server with subscriptions
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