Problem With Queued Updatable Subscriptions
Mar 7, 2008
Hi All,
I have a problem replicating data from Subscriber to Publisher.
I configured Queued updatable subscriptions in transactional replication. Publisher is on SQL Server Standard edition and Subscriber is on SQL Server Express edition, both on Windows XP.
When I insert/update data in publisher, the data is replicated to subscriber. If I insert/update data on subscriber the data is not replicated. When I see the replication monitor for errors, it shows an error "Cannot load a DLL xprepl.dll or one of its resources".
Could any one give me a solution or please tell me if I missing something?
Thanks you all,
Ravi.
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Nov 1, 2006
Hi all,
I have a problem with "Updatable Subscriptions" under concurrent transactions on both pub and sub effecting same data. At high level of concurrency it Subscriber starts giving error msg "Rows do not match between Publisher and Subscriber. Run the Distribution Agent to refresh rows at the Subscriber.".Please tell me any way arround for this.
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Jun 13, 2007
I have been trying to set up replication with updateable subscriptions. I first followed the tutorial on MSDN and set up basic transactional replication. This all worked fine. I then tried, using that tutorial as a basis, to set up replication with updatable subscriptions.
On the Agent Security page you are asked for a Snapshot Agent, a Log Reader Agent and a Queue Reader Agent. I assigned these to the following accounts, which I created and added as logins, PUBLISHERSERVER
epl_snapshot, PUBLISHERSERVER
epl_logreader and PUBLISHERSERVER
epl_queuereader.
I then tried to set up a subscriber on SUBSCRIBERSERVER. Under the publication I add new subscriber, select the publisher, add SUBSCRIBERSERVER as the new SQL server Subscriber. In the Distribution Agent Security page of the wizard it asks for process account, which will be run when synchronizing the subscription. I entered PUBLISHERSERVER
epl_distribution here and selected the other two default options of connecting to the distributor and subscriber by impersonating the process account. I then took the default options for the next few screens and finally get to:
Login for updateable subscriptions. This offers the option of a login or using a linked server. I have tried various logins here, initially trying the €˜sa€™ login and password. This produced the error: The user is not associated with a trusted SQL Server connection. The servers are set up for mixed mode operation. I then tried PUBLISHERSERVER
epl_distribution and subsequently every other account I had created on PUBLISHERSERVER. All of these failed. I tried linking the servers, but this also failed. How exactly do you set up subscriber with the ability to login to the publisher? I have spent days trying to set this up, and am as you can gather new to this technology, any help would be greatly appreciated.
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Apr 24, 2007
Hi to evebody.
I'm working with the transactional publication with updatable subscriptions provided by SQL Server 2005. The replication works pretty good from the publisher to the subscriber, but I'm having some problems when the data must go from the subscriber to the publisher.
When I do an update in a subscriptor's table, the database engine shows the following error:
21064 - 16 - The subscription is unavailable for immediate updating because it is marked for reinitialization. Try again after the reinitialization completes.
And rollbacks the transaction.
Does anybody knows what to do to solve this problems.
The publisher is a Windows XP with the SQL Server 2005 Developer edition with SP2
The subscriber is a Windows 2003 Server with SQL Server 2005 Developer edition without SP2
I'm using also the inmediate updating subscriptions. Both operative systems have the MSDTC runing.
Thank you in advance.
Sebastian.-
PS: Sorry about my english, it's been a long time without using it.
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Apr 11, 2007
This may be a simple answer, but I was wondering when setting up transactional replication with updatable subscriptions why does this error occur?
Error:
The operation could not be performed because OLE DB provider "SQLNCLI" for linked server "REPLLINK " was unable to begin a distributed transaction.
Changed database context to 'MyDB'.
OLE DB provider "SQLNCLI" for linked server "REPLLINK" returned message "No transaction is active.". (.Net SqlClient Data Provider)
I've looked for MSDTC security documents and checked every box in the security dialog and selected the 'No Authentication Required€™. MSDTC and SQL Agent are running as NETWORKSERVICE user. I also setup permissions on each individual DCOM Objects for SQL Server. And MSDTC service is running. Both Servers are SQL Server 2005 Standard and Windows 2003 R2. The publisher is on the same box as the distributor. No domains or trusts setup on either. This error occurs when changing data on the subscriber.
Thanks,
Patrick
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May 24, 2012
So, Microsoft decided that they were deprecating Transactional Replication with Updatable subscriptions. In that case, you have 2 options (if I am correct): Pay for Enterprise (if you are already not) and use peer-to-peer or use bidirectional transactional replication which is basically setting up a transactional from db1 to db2 and also transactional from db2 to db1.
The issue I see in both cases is conflict resolution. With updatable subscriptions, you could specify how to handle the conflict. With either of these 2 options (from what I can tell) you cannot allow the engine to handle this for you.
Any thoughts? Seems like a slap in the face to those who have been using MS for years and a damn good reason for companies that rely on updatable subscriptions to not upgrade to 2012.
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Jul 31, 2007
Subscription to "Transactional Publication with Updateable Subscriptions" works only one way. Changes take effect on subscriber, but the subcriber is unable to update data on publisher.
I have Sanpshot Agent process running under SQL Server Agent service account with login 'sa.' All agents are running at the Distributor (Publishing Server.)
The subscriber is unable to connect to the Distributor using the SQL Server login.
Following is the error message I get:
Creating Subscription(s)...
- Creating subscription for 'SQL3' (Warning)
Messages
Unable to set the Publisher login for the updatable subscription. You may have to set this up directly on the Subscriber machine using sp_link_publication. (New Subscription Wizard)
------------------------------
ADDITIONAL INFORMATION:
An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)
------------------------------
MSDTC on server 'SQL3' is unavailable.
Changed database context to 'DB_SQL1_to_SQL3_on_3'. (Microsoft SQL Server, Error: 8501)
For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=09.00.3054&EvtSrc=MSSQLServer&EvtID=8501&LinkId=20476
Please suggest procedure to end this dilemma. The link has no info available.
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May 16, 2008
Has anyone seen this error? It comes up when my app executes a select statement via linked server (from MSSQL 2000 to 2005) the second time it runs. It's basically a timed poll of tables in the remote database. It works once but the second time it executes I get the error from the remote db, it's just a select but I guess the cursor is still open so it can't run again. After the exception the select will run again, once and it just repeats. I have researched it a little and it looks like it mostly has to do with the isolation level of the transaction. Unfortunately based on the componet being used to access the database I don't beleive I have the ability to use transact SQL to call the isolation level (s) listed.
Here's the weird part though, at another site the same scenario is running fine. Same primary and remote db versions of MSSQL as well as the application and it runs fine. I guess my question is what type of setup parameters that may be defined in MSSQL 2005 for the remote database might make it behave in this manner in one instance and not the other? TIA in advance for any thoughts/assistance.
DT
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May 16, 2007
Greetings,
We periodically get the following message in our three server peer-to-peer transactional replication environment:
"One or more subscriptions have been marked inactive. Drop and re-create all subscriptions for this node that are failing with this error."
What causes a subscription to be marked inactive? What properties or settings can be adjusted to minimize or eliminate this occurrence?
Everthing seems to be running OK and then we get the message. It afflicts the higest change volume publication on our slowest overseas server.
Thanks,
BCB
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Jan 18, 2007
I doubt this is possible, but can someone think of a way to change the email address used for sending report subscriptions based on the report or subscription?
It's a need that I've heard from a number of different clients. Scenario: a company has one reporting services server with reports running from numerous departments. Report subscriptions are sent to internal and external email addresses and there's a business need to use different "from" addresses based on the report (or audience).
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Apr 3, 2007
Hi all,I've a problem with sql server 2000 EE.I've a DB with a table with lots of records. I run a SELECT fromquery analyzer, and I've results in 10 seconds. Perfect.When I run the query two times in the same table, seems likeit been queued. Result in 20 seconds.With another query, I've result in 40 seconds. If I run this query 2times, I've results in 80 seconds.How can it be? Does Sql Server queue the query?thanks, and sorry for bad english! :D
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Jan 9, 2007
When multiple readers are waiting on a message from the same queue, I would expect that the reader that has been waiting the longest would be the first to pick up a message. However, I'm shocked to discover that the opposite seems to be true; in my tests I'm showing that the reader that has been waiting the least time picks up a message first! This seems totally counter-intuitive, and I'd like to know why it's working this way. This implementation will cause a lot more reader timeouts to occur than a properly queued method. For instance, assume that I have two readers, each using a one minute timeout. Reader #1 starts waiting, and reader #2 is busy for another 20 seconds before it starts waiting. 39 seconds later a message comes in and reader #2 will pick it up, leaving reader #1 to time out one second later! I would much rather have reader #1 pick up the message and reader #2 continue to wait for 20 more seconds.
I'm considering filing a bug on Connect about this, but I thought I'd post here first and see if I can get an answer...
Following is the script I'm using to test:
---Setup / Window #1---
--------------------------------------
CREATE DATABASE SimpleSSB
GO
USE SimpleSSB
GO
--Create a database master key
CREATE MASTER KEY
ENCRYPTION BY PASSWORD = 'onteuhoeu'
GO
--Create a message type
CREATE MESSAGE TYPE Simple_Msg
VALIDATION = EMPTY
GO
--Create a contract based on the message type
CREATE CONTRACT Simple_Contract
(Simple_Msg SENT BY INITIATOR)
GO
--create a queue
CREATE QUEUE Simple_Queue
GO
--Create a service
CREATE SERVICE Simple_Service
ON QUEUE Simple_Queue
(Simple_Contract)
GO
--------------------------------------
---Go start the other windows now---
---Readers: Windows #2-n ---
--------------------------------------
USE SimpleSSB
GO
WAITFOR
(
RECEIVE *
FROM Simple_Queue
), TIMEOUT 300000
--------------------------------------
---Start at least two readers, then do---
--------------------------------------
--send a message...
DECLARE @h UNIQUEIDENTIFIER
BEGIN DIALOG CONVERSATION @h
FROM SERVICE Simple_Service
TO SERVICE 'Simple_Service'
ON CONTRACT Simple_Contract
WITH ENCRYPTION=OFF;
SEND ON CONVERSATION @h
MESSAGE TYPE Simple_Msg
GO
--------------------------------------
... the last reader you've started will pick up the message first. Note I'm testing on 9.0.3033, in case that matters.
Thanks!
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Apr 24, 2008
What command can I issue from query analyzer to list tasks in the queued_tasks table. I would like to see tasks assigned to be run, completed, running, and error.
Thanks
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Sep 10, 2006
Dear friends
I have a simple doubt.
1)What is the difference between Queued Updating & Immediate Updating in Transactional Relplication.
2)What is the difference between Meged Replication & Peer to Peer replication.Because in both each node will Act as Publisher/Subscriber.So load balancing is possible both type replication na?
3) how to replicate views,stored procedure & functions.Beacuse when applying intial snapshot the copy is getting in subscriber.But afterwards whatever changes occurring in view,procedure not propagating from publisher to subscriber.what to do in this case
Filson
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Jul 22, 2015
This is my syntax which looks valid to me, but the message will never send, need to get the message to send? (@recipients & @from_address are junk here, but valid email addresses in my procedure)
Code:
exec msdb.dbo.sp_send_dbmail
@profile_name = 'DatabaseMail',
@recipients = 'loggedinuser@domain.com',
@body_format = 'HTML',
@from_address = 'SQLEmailAccount@domain.com',
@body = 'Test 12345',
@subject = 'Test Email From SQL Server';
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Jul 19, 2015
I want to send an email twice a day, from database. So I have planned to make a storedproce which will be called by a job (which will select some record from one table and put it in other table based on a flag) but I want to run it in a transaction so that if email is send successfully then only it should commit else it should rollback.
How can i find that "Mail queued" now i should commit.
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May 2, 2006
I have an After Update Trigger specified on a database table to notify specific users via email when certain customer values are modified. (This is a HACK / Workaround for functionality that doesn't exsist in the product.)
I had be using xp_sendmail without a problem. I recently upgraded the database server to SQL2005 and wanted to try sp_send_dbmail. (I was interested in the asynch and the non-MAPI nature of Database Mail.)
This is the new code:
EXEC @retval = msdb.dbo.sp_send_dbmail
@recipients = @rec,
@blind_copy_recipients = @bcc,
@subject = 'Important Customer Information Change',
@body = @body
This is the old code:
EXEC @retval = master.dbo.xp_sendmail
@recipients = @rec,
@blind_copy_recipients = @bcc,
@subject = 'Important Customer Information Change',
@message = @body
The problem now is that the application reports an update failure because the sp_send_dbmail return the message "Mail Queued."
I don't know if there's a way to suppress this message or not. Or some other way to indicate that "all is well" even though the stored procedure returned a message.
Thanks in advance.
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Oct 19, 2006
We have a ASP.Net 2.0 web application and need to send out emails. We have an EmailQueue table in our database where email gets stored before it is send out. We are looking at the pros and cons of using Database Mail in SQL Server 2005 to send out our emails. Should we use SQL or our web app to send email???Tips, tricks, articles, experiences, opinions are greatly appreciated. Newbie
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Jul 19, 2015
I want to send an email two ice a day, from database. So I have planned to make a storedproce which will be called by a job (which will select some record from one table and put it in other table based on a flag) but I want to run it in a transaction so that if email is send successfully then only it should commit else it should rollback.
How can i find that "Mail queued" now i should commit.
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Oct 17, 2007
Hi
I'm running transactional repl with updateable subscribtions - queued updating. Running SQL 2005 sp2, win 2003 sp1
I have 18 odd subscribers at the moment, my publisher and disttribution is on the same machine with push subscriptions.
The questions I have
nr 1.
While trying to initialize new subscribers I get loads of deadlocks even after I stop dist cleanup agent. This *I think* cause some other unexpected problems.
nr2.
The queue reader would fail saing it cannot find the "insert" proc on the publisher, although it exists.
I have changed anything on the publication so I'm not sure how this happens or why.
nr3.
I replicate a varbinary(max) column and on the odd occasion get the "Length of LOB data" errors which I then set with sp_configure. The catch here is that the length never exceeds a "len()" of 4000, thus the reported LOB and my calculation doesn't tie up.
Help is appreciated.
Thanks
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Dec 12, 2007
Hello everyone,
How can i create updatable views in sql 2005. Any article or link can be useful.
Thanks.
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May 17, 2001
I have a fairly complicated data import that needs to be done, but the table structures of the two databases don't match up too neatly. I thought I'd be clever, and create a view in the target database, and import into that view -- only to find out (after reading the manual) that multi-table views are not updatable and cannot be used with BULK INSERT or bcp.
I'm not a database pro, I'm a programmer thrust into this role. Needless to say, I'm a bit of a newbie on these things!
Anyway, the view's code:
<pre>
CREATE VIEW dbo.RJ2_V_Client_Import
AS
SELECT Clients. IDENTITYCOL, Clients.CompanyName,
Clients.Address1, Clients.Address2, Clients.StateID,
Clients.City, Clients.Zip, Clients.CountryID, Clients.PhoneMain,
Clients.PhoneFax, Clients.WebAddress,
Clients.ParentCompany, Clients.DivisionDepartment,
People.NameFirst, People.NameLast,
People.AddressPrimary1, People.AddressPrimary2,
People.CityPrimary, People.StatePrimaryID,
People.ZipPrimary, People.CountryPrimaryID,
People.PhoneWork, People.PhoneWorkExtension,
Clients.EnteredDate, Clients.UserLevelID, Clients.Revenue,
Clients.NumberOfContractors, Clients.SICCode,
Clients.Industry, Clients.ReceptionistName
FROM Clients INNER JOIN
People ON Clients.BillingPersonID = People.PID
</pre>
The reason there is a "People" table is because several (SEVERAL) tables in this database contain records for people, and we felt that this was a better design because of it.
The data we're trying to import contains records for billing contacts, which are the People.* fields referenced. It's extremely important that we get this data in the system.
Since BULK INSERT is out, are there any workarounds? There's got to be some kind of non-manual solution, since I know other people have to do imports that start as one table and end up in two ...
For this particular set, I could do it manually -- only two records are affected. BUT, for future sets, I can't do it manually -- literally thousands of records will be affected, and I just don't have the time (or inclination) to do the entry ... Plus, think of the potential error rate!
Thanks in advance
John
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Jun 2, 2000
I am trying to update the current row of a cursor that I have declared from Query Analyzer and I keep getting an error message saying the cursor is Read only. This doesn't make sense because BOL says that cursor's are updatable by default. Anyone had this problem?
Ex: This is the statement I am using to update the current row in the cursor:
UPDATE TableName SET Field1 = 'D'
WHERE CURRENT OF CursorName
jg
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Apr 12, 2000
I have created a view ('Data_test') based on Table1 and Table2 joined in the following manner:
Table1.PrimaryKey <-----> Table2.ForeignKey /* same as Primary Key */
When trying to insert data into the tables through the view, I get the following error:
Server: Msg 4405, Level 16, State 2, Line 1
View 'Data_test' is not updatable because the FROM clause names multiple tables.
Any ideas of how to make the view updatable?
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Jul 20, 2005
I am trying to write updatable cursors in a stored procedure? Can I getany help to write updatable cursors?Any help would be appreciated very much.Thanks for your help in advance.Rajah V.*** Sent via Developersdex http://www.developersdex.com ***Don't just participate in USENET...get rewarded for it!
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Jul 20, 2005
Hello:I've just converted my Access 2K db to SQL Server 2K and the conversion wentsmoothly. I created users, roles, views and forms and gave the userspermissions to use them. I "THINK" I have done everything, but......youcannto update the form, view, or table. I get "Recordset Not Updatabale"when I modify a field in either.Assuming I set the permissions correctly on the db, table, view, and userscorrectly, is there something else I need to do to make the table and viewupdatable?My front end is Access 2K.Thanks for any advise.....Richard H
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Oct 6, 2004
I got an error as follows:
Derived table 'A' is not updatable because a column of the derived table is derived or constant.
when I tried to run this query:
update A set MonthsUnbilled =99999888
FROM (select MonthsUnbilled from dbo.vw_MasterView
WHERE (RecordID =8377396)) A
This is a simplified query in order to pinpoint the culprit. I know I don't need to use a derived table if the real query is this simple.
Thanks in advance!
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Dec 1, 2006
Hello, There are 2 questions that I interested in:Q1: We are planning to scale out SQL Server 2005 with Transactional Replication and use the following topology:NodeA: PublisherNodeB: Publishing Subscriber of NodeANodeC: Subscriber of NodeBIf it is necessary to allow update on NodeC, is it possible to set NodeC as an updatable subscriber? BOL states that Updatable Subscriptions do not support republishing data. But I'm not sure whether it is applicable to these case. Please advice.Q2:In SQL Server 2005 BOL, in claim that "Standard transactional replication assumes read-only Subscribers and is
hierarchical in structure: typically a single Publisher publishes data
to one or more Subscribers. Standard transactional replication also
supports a republishing hierarchy: updates are delivered from a
Publisher to a set of republishing Subscribers, who in turn deliver
updates to a final set of leaf-node Subscribers. Updating
subscriptions offer the ability for Subscribers to push changes back to
the Publisher, but the arrangement is still hierarchical because
changes follow the hierarchical structure when moving between
Subscribers and Publishers. ..." in the topic "Peer-to-Peer Transactional Replication" Could somebody describe how Subscribers push back changes to Publisher in hierarchical structure? Could Republisher setup in the "hierarchical" structure or topology as a middle-node (Not a leaf node nor root node)?Thanks a lot.Terence
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Sep 28, 2007
Hi,
In the SQL92 Specifications i read the foloowingf statement...
"All base tables are updatable. Derived tables are either updatable or read-only. The operations of insert, update, and delete are
permitted for updatable tables, subject to constraining Access
Rules. The operations of insert, update, and delete are not allowed
for read-only tables."
But i am concentrating on the below line from the above written lines,
"Derived tables are either updatable or read-only."
I want to ask that is derived tables are updatable or not??? if yes then how,???i tried the following querry but its not working...
Code Block
Update (select * from test1) AS de SET id=0
????
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Apr 11, 2006
Hi all,
I am planning replication around a large SQL Database Server; 3 databases need to be replicated for reporting purposes.
My plan was to use Transaction Replication, as the Reporting database will be mostly read-only. However, we must add a whole bunch of additional, historical data to some of the tables of the reporting database that does not exist in the Publisher. I understand that changes can be made to subscriptions in Transaction Replication scenarios, ideally when the changes are few and far between. (Merge replication is excessive for our purposes.)
I don't want the additional historical data to be propagated back to the publisher. Is it possible that data is written to a subscriber in a Transactional Replication scenario without writing these updates to the Publisher? Given the nature of the data, there will not be conflicts between the historical data and the new changes applied from the publisher.
Any help would be much appreciated!
Thanks,
Faraz
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Feb 3, 2004
Hi. I receive the SQLException:
[Microsoft][SQLServer 2000 Driver for JDBC]Can not update, the specified column is not writable.
when I attempt to call updateString() on a RecordSet column. I have set the Statement object on which I execute the query to obtain the RecordSet to be scrollable and updatable.
My goal is to replace the ID value contained in a particular column of each row with a longer text string that includes the ID value. If I can't alter the column values via the RecordSet, can I write SQL as part of the query to generate the text string?
Thank you.
Raj
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Dec 3, 2007
Hello,We are researching whether the following scenario would be possible:In an upcoming application release, we have to move some tables (Logtables, look up tables, and a couple of secure tables) from database Ato database B.Rather than wait and do everything all at once, and have no roll-backplan should it fail, we'd like to create database B now, and startmoving those tables one by one over to it.To ensure compatibility with the existing code-base, we'd like todetermine whether we can use updatable views to allow the current codeto continue to run against the existing DB.Essentially, we would do this:Given a table named LogTable In database A, we'd copy all ofLogTable's data to database B. (We'd look at the transaction log tocopy any changes made on rows modified after copying started.)Then, we'd turn off the site for a few moments, and:In database A, we'd rename LogTable to LogTable-Old, and create a viewcalled LogTable which points to DatabaseB.dbo.LogTable.When we turn the site back on, updates and selects to LogTable wouldphysically pull from database B from now on.I have already verified that performing selects and updates against aview that refers to another physical database actually does work inSQL 2K5.My question is are there any pitfalls or things we should be aware ofthat anyone else has experienced trying to do something like this?Does it sound feasible?Thank you,Josh
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