Schema Changes No Longer Replicated To Subscribers
Apr 21, 2006
Hi to all,
I have a merge (pull) replication between SQL Server 2005 and SQL Server Express clients.
Data synchronisation is ok, and I already made some schema changes (like adding new columns) at the publisher database which were applied to the subscriber as they should.
Now this doesn't work anymore. New columns added at the publisher (with ALTER TABLE or Management Studio) are no longer replicated to the subscribers.
I don't get any error messages, and I can't find any hints in the logs why this has stopped working.
The "Replicate_Schema_Changes" is still set to TRUE (in general, none of the publication options had been changed).
I tried sp_enumeratependingschemachanges to find out any "bad changes" put the sp returns nothing.
I remember that the last thing I did was adding a default constraint, which was replicated successfully to the subscribers.
Can anybody help?
Michael
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Mar 4, 2003
I have Snapshot set up as a schedule task between server A and server B.
If I make changes to the db schema on server A - the changes are not replicated to server B.
Is this normal?
Do I have to restart the Sanapshot agent each time there is a schema change?
Thanks,
Bianca
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Mar 1, 2005
Hi we have a table with about 400000 records in it. It starting to take longer and longer to add a new record. I was thinking of creating another identical table and archiving off most of the records every month (we are now adding about about 4000 records a day) . Is this the best thing to do?
I don't know a lot about sql server so any help or suggestions would be great
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Feb 4, 2008
The following code is taking longer and longer to run. I am not talking about the gradualy increase in size. this job has been taking 30-40 mins normaly and in the last few days it has gone 1hr to 2 hr to 3 hr... ANy ideas why this is happening? I can not see and other jobs running at this time.
declare @filename varchar(255)
set @filename =
(select top 1 physical_device_name
from ****.msdb.dbo.backupset bs, ****.msdb.dbo.backupmediafamily bf
where bs.media_set_id=bf.media_set_id
and database_name = 'Live_PRD'
and backup_start_date>getdate()-1
and type = 'D'
order by backup_start_date desc)
restore database REPORTS_REP
from disk=@filename
with
move 'LIVE_PRD_Data' to 'T:SOUTHREPORTS_REP_Data.mdf',
move 'LIVE_PRD_Log' to 'U:SOUTHREPORTS_REP_Log.ldf',
move 'LIVE_PRD_Log2' to 'U:SOUTHREPORTS_REP_Log2.ldf',
replace, stats=2, recovery
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Feb 22, 2008
Why does it take longer and longer for the same code to run very simply I have 8,0000,000 records I want to delete from a table . I have tried a few options
Option 1 a while loop which deletes 10,000 rows per loop starting from the earliest until it hits the cut of number I have set. THIS TOOK 5 HOURS
Option 2 created an SP which found the oldest 100,000 records then deleted them. If I run this SP manually it takes 30 €“ 60 secs. Which I thought was much better than above. So I put this SP in a while loop to run 80 odd times thinking the time it would take would be 80 mins a huge improvement.
But every time this SP is called it takes longer and longer (36,30,32,39,37,37,123,163,155,182€¦and so on(In seconds)).
All the sp is doing is as follows(8860000 is just to insure I don€™t delete to much). this sp is then called from in a while loop.
set @recnumber = (select top 1 recnumber from
(select top 100000 recnumber from TabletodeleteFROM where recnumber < 8860000
order by recnumber asc ) TabletodeleteFROM
order recnumber desc)
delete TabletodeleteFROM where recnumber < @recnumber
please help why is it taking longer and longer
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May 21, 2007
I have a sql 2005 publisher and distributor and a sql 2000 subscribers. for some reason on one of the subscribers i'm getting errors that it can't replicate the UDT's. i tried a new snapshot and made sure it was set not to replicate UDT's but i'm still getting Create Type errors.
would anyone have any idea why it's trying to create UDT's at the subscriber when i specify not to replicate UDT's?
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Sep 27, 2007
Locally I develop in SQL server 2005 enterprise. Recently I recreated my db on the server of my hosting company (in sql server 2005 express).I basically recreated the tables and copied the data in it.I now receive the following error when I hit the DB:The 'System.Web.Security.SqlMembershipProvider' requires a
database schema compatible with schema version '1'. However, the
current database schema is not compatible with this version. You may
need to either install a compatible schema with aspnet_regsql.exe
(available in the framework installation directory), or upgrade the
provider to a newer version.I heard something about running aspnet_regsql.exe, but I dont have that access to the DB. Also I dont know if this command does anything more than creating the membership tables and filling it with some default data...Any other solutions/thought on what this can be?Thanks!
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Jun 29, 2004
if there is something wrong with the network link between publishing server and subscribing server,and will not be repaired in a few days ,what is the influence to immediate updating subscribers?????
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Nov 10, 2006
I have a database on SQL Sever 2005 SP1 against which a Publication has been defined and to which many servers (both Workgroup and Express editions - SP1) Subscribe to.
I would like to be able to distinguish between the Publisher and the Subscribers programmatically via T-SQL.
From reading BoL and various forums it appears that the IsPublished, IsMergePublished and IsSubscribed options of the DatabasePropertyEx function should give me this information.
However within all our tested environments, whilst the IsMergePublished option returns expected values. IsPublished and IsSubscribed both return 0 on all servers (the Publisher and Subscribers).
Is this a know issue and how can I rectify the problem or alternatively does anyone know of another method to distinguishing between the Publishers and Subscribers.
Thanks
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Nov 9, 2015
Is it possible to replicate data from one publishers to a multiple subscribers in transaction replication? In other words I have Server A, Server B, Server C with databases A,B,C respectively. I need to replicate 10 articles from A to B but only 1 from A to C. In other words I want to use the same publisher but select one article from that publisher instead of all 10 to Server C/database C.
If it is possible what will be the drawbacks of such implementation? Will performance be a hit?
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Jan 25, 2007
Hi,
I am Using Transactional Replication with Updatable Subscriptions. Is there any limitations in the number of subscribers (Servers) used for this type of replication?
I have a scenario of configuring this replication in 60 Subscribers(Servers). And the replication should be in the Continuous running mode. Will Transactional Replication with Updatable Subscriptions work in this scenario??? Or is it meant to work for less than 10 subscribers?
Please reply asap.
Thanks in advance.
Regards,
Swapna.B.
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May 27, 2008
I have 35+ tables and 15+ stored procedures with SchemaA, now I want to transfer them to SchemaB.
I know how to do one by one...!
alter schema SchemaB transfer
SchemaA.TableA
but it will take long time...!
Thanks,
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Oct 16, 2007
Hi,
I have a server in our central location which is a compressed snapshot publisher. I have 2 push subscribers in remote locations on very slow WAN links. I would like the snapshot cabinet file to be uncompressed at the subscribers location rather than the publisher location. Is this possible with push subscribers? I want to manage the pushing of data to the remote subscribers from the publisher location.
I understand the default with push subscriptions is to uncompress the cabinet file at the publisher location.
Thanks,
Mark.
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Feb 7, 2007
I use merge replication and the topology is central publication. I have 20 subscribers.
when I run agent, I got message "No data needed to be merged". Publisher doesn't send data to this subscriber. When I update date again, I can send data to subscriber.
Why?!
How replication works?!
and How specifies records that must be send to the subscriber?!
Publisher and subscriber work with SQL 2000 with sp 3 installed on windows server 2003.
Please help me.
Thanks.
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Feb 7, 2008
I am trying to figure out some scalability-related requirements for the project I'm working on, and unfortunately I cannot find out an answer to one of the questions by test-running, so I have to ask it in hope that someone has a definitive answer.
When two - or, more - different (distinct) users/subscribers
running the Report Manager from two different machines
[independently of each other] create their two subscriptions
with almost exactly the same parameters (same report name, same report rendering format, to be delivered via email at 6:00 AM every day, etc.),
and the only difference between those subscriptions is in email addresses (to whom the report shall be delivered)...
... when those subscriptions get executed at 6:00 AM,
are they executed only once (because those 2 subscriptions are the same except by whom they were created and to whom they should be delivered),
OR
is each of them executed separately?
In other words, if multiple users create absolutely the same subscriptions (except for a parameter to whom they should be delivered), how many times does the Report Server run that report?
Thank you very much.
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Jan 8, 2004
When I try to open the subscribers tab in the publisher and distributor properties in SQL Enterprise Manager I get the following error:
SQL Enterprise Manager could not retrieve the list of registered subscribers.
Error 8152: String or binary data will be truncated
Anyone who has experienced similar problems or has a solution?
Best Regards
MF
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May 26, 2007
We are running merge replication, SQL Server 2005 Enterprise with SQL Mobile 2005 (Windows Mobile 5) subscribers. Partitions are filtered on HOST_ID.
Ocassionally we experience a situation where a subscriber experiences an unusually long synchronization duration, and upon examining Replication Monitor, it appears that twice the number of rows, or X the number of rows (up to 7 times the number of rows) that should have been inserted are recorded as synchronized for the session: once the normal amount as inserts and once the normal amount as updates. This occurs for all tables in the subscription. This occurs on a first time synchronization to an empty subscriber database where there should be only inserts taking place.
I have examined the snapshot partition folders for these users on the file system and they appear to be identical in size and content as other subscribers. Checking the last partition snapshot job run and other characteristics for the the subscriber in question, everything appears to be the same as other subscribers functioning normally.
The HOST_ID for us is an employee ID used to filter employee specific data. I have seen this happen if the subscriber changes the value for the HOST_ID used in filtering, after the mobile database has already been populated (2 employees attempt to use the same mobile device and database). But, we have seen this happen recently where the HOST_ID was apparantly never changed midstream.
This just started happening recently. The only modification around the same time frame was the implementation of a custom business logic handler/custom conflict resolver that performs like "Latest Wins" but has logic added to update the a last-update datetime column for selected transaction tables at time of synchronization, so that an SSIS job can detect the changed rows for copying incremental database changes to another application database. This all seems to be working perfectly.
Any ideas?
Thanks,
Matt
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Sep 21, 2006
Hi:
Is there a limit on the number of subscribers for Transactional replication?. My question is how many maximum number of subscribers can we have in transactional replication?. How do I retrieve this information throug T-SQL (any DMVs or system tables?). Please let me know.
I am looking to know for both SQL 2005 as well as SQL 2000 and also if anyone can tell me if anything has changed in SQL 2005 for transactional replication that would be great.
Can anyone please let me know?.
Thank you
AK
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Jun 7, 2007
Hi All,
We are developing a system which will have to support more than 3000
subscribers. We will have to support both Transactional replication
and Merge replication.
I checked the following document about SQL 2005 replication <http://
www.microsoft.com/technet/prodtechnol/sql/2005/mergrepl.mspx>. The
document does not clearly specify what is the maximum number of
subscribers supported without a significant performance degradation.
The questions i have are:
1. Given the fact that there will be more than 3000 subscribers, there
will be more than 500-1000 subscribers trying to replicate at the same
time. Will be there be a performance degradtion in such a scenario
2. Has anyone used SQL Server 2005 in a scenario involving more than
3000 subscribers?
3. Will it be better if we develop our own system to perform
replication activity instead of relying on SQL Server 2005?
- Ngm
Mail me atnarasimha (DOT) gm (AT) gmail (DOT) com )
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Oct 2, 2007
I need a way to push create index statements drop to the subscribers. If I can use replication to distribute index creation that would be great. We don't allow our clients to make any schema changes directly. We are using transaction and merge replication.
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Nov 18, 2005
I implemented a merge replication publication on a SQL Server 2005
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Apr 12, 2008
Hello everybody!I'm using ASP.NET 3.5, MSSQL 2005I bought virtual web hosting .On new user registrations i have an error =(The 'System.Web.Security.SqlMembershipProvider' requires a database schema compatible with schema version '1'. However, the current database schema is not compatible with this version. You may need to either install a compatible schema with aspnet_regsql.exe (available in the framework installation directory), or upgrade the provider to a newer version. On my virtual machine it work fine but on web hosting i have an error =(What can you propose to me?
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May 8, 2007
Hello,
I would like to use SSIS tool to move the data from one database schema to another database schema.
For example:
Source table has
1. UserName (varchar 20) (no null)
2. Email (varchar 50) (can be null)
Destination table has
1. UserID (uniqueidentifier - GUID)
2. UserName (varchar 50) (no null)
3. EmailAddress (nvarchar 50) (can be null)
4. DateTime
Questions:
1. What controls do I use in my Data Flow to make data move between databases with different data types and include new value in UserID as a new GUID and DateTime as a date (GETDATE)?
OLE DB Source, OLE DB Destination, Data Converson and .....
How do I insert Guid and Date at the same time?
2. I have many tables to do data moving. Any sugestions? How do I architect my project? If I create many data flows for each table - it will look complicated.
Please give me some advices here.
Thanks.
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May 13, 2006
Hi ,
I am trying to create Replication Topology (Merge Replication) like below.
Subscriber1 --> Publisher <-- Subscriber2.
I have created both subscribers with Subscription Type as Server with Priority as 75. I am updating the Column A of Row_10 in Subscriber1 on time say 11 am. After i am running the Starting synchronizing agent from Subscriber1. The value propagated to Publisher now publisher contains the latest value in Column A. Uptonow the Subscriber2 is not synchronized with Publisher.
Now in Subscriber2 also Column A of Row_10 is updated say at 11.10 am. Actually now Publisher contains the value from Subscriber1 for that Column and in Subscriber2 we have the same column updated.
Now i am running the Synchronization in Subscriber2, i am getting the result which is not expected. Here Publisher's value is propagated to Subscriber2. But as per real scenario Subscriber2 has the Latest value which is updated on 11.10 AM.
I don't know what am i missing here. Actually merge replication should see the time stamp and it has to decide winner. But here it always considers publisher as a winner and puts the data to Subscriber.
Can anyone help ?
Thanks in advance
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Dec 4, 2006
I previously asked What does "Do not replicate DELETE statements" do? to make sure I was correct on my thinking of what "Do not replicate DELETE statements" does. And after finding out it does what I would like it to do, create an archive db, I've tried several testing scenarios to see if it would work. So far I have been unable to not replicate delete statements. I'm not sure if I'm not setting a property right or what and any guidance would be appreciated.
Here is what I've done.
Created a blank db to be used as a subscriber and created a test db with some random data in a table.
Setup a New Publication on the db with the random data as "Transactional Publication"
Selected the following articles and properties in the publication
Tables
DELETE Delivery Format = Do not replicate DELETE statements
Views
Default Values
Stored Procedures
Default Values
User Functions
Default Values
Selected the default options for the rest of the New Publication Wizard steps and clicked finish.
Created a Pull Subscription on the new publication that I just created.
Let it initialize.
Then did a select count(*) query on the test table on the publication (18k+ rows) and subscriber (18k+ rows)
Then did a delete t-sql from the test table on the publication.
Then did a select count(*) query on the test table on the publication (0 rows) and subscriber (0 rows).
Now shouldn't it not delete the records on the subscription db?
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Dec 21, 2005
Hi,
I read the BOL on how the publisher will had out identity ranges to subscribers, but it was not clear if this was also the case for anonymous subscribers. Will merge replication with identity columns work with anonymous subscribers that sync via HTTPS?
Thanks,
Darrell Young
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Oct 22, 2015
Replicate ddl setting is not working if multiple subscribers are used...
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Jun 18, 2007
As I am begininng to believe that is the only edition I am going to be able to run on my Vista Utlimate os.
Standard does not install server components.
I believe SQL Express was working as installed with Visual Studio 2005, but I need the use the tools that SQL Express does not contain.
Thanks,
_Greg
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Oct 17, 2007
Hi,
I am trying to replicate some tables from an Sql Server database to an Oracle database. So the publisher is SQL Server and the Subscriber is Oracle.
Unfortunately I realised that I can't set the replicate_ddl parameter to 1 for an Oracle Subscriber. This is the error I got:
"The property "replicate_ddl" cannot be modified for publications that are enabled for non-SQL Server subscriptions."
I looked on the Internet and I found that this parameter "@replicate_ddl" (used in the add_publication stored procedure) can't be set to 1 if the @enabled_for_het_sub parameter is set to 'true'.
So I thought if I just set the replicate_ddl parameter to 1 and leave the other parameter to false and then use the sp_changepublisher stored procedure to set the enabled_for_het_sub parameter to true that will work. But it didn't. I tried this in Enterprise Manager and although I had no error I realised that the replicate_ddl parameter was reset to false.
Is there any way I can replicate the ddl statements in Oracle automatically or I should to them manually?
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Jan 4, 2007
I need to merge replicate data to two different types of subscribers:
Clients subscribers which will have a very small percentage of the data from the central database. The data on these machines will be managed using dynamic filtering on host_name()
Server subscribers which will manage a copy of all the data from the central database
There will be far fewer server subscribers than client subscribers.
As I see it I have two options for the configuration
1) Use two separate merge publications €“ one which is filtered and one which isn€™t
2) Use a single merge publication and setup the filtering so that the server subscribers receive all the rows
Which option is likely to lead to better performance?
With option 1) there would be 2 complete sets of replication metadata which need to be maintained €“ so I am tending towards option 2. Are there any disadvantages in using a dynamic filter to return a very large number of rows?
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May 4, 2007
Hello,
I have set up a merge replication with 4 subscribers and a publisher on SS05 sp2 on 5 window servers. After running my application on the replication with big data for a while, the data in some of tables of subscriber are out of sync from the publisher. I tried to run sp_resyncmergesubscription to fix the problem according to http://doc.ddart.net/mssql/sql2000/html/replsql/replmon_9pwh.htm. The procedure run successfully. However, the problem is still exist.
Does anyone else have this problem. Please help!
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