Merge Replication Between Two Existing Databases?
Apr 18, 2006
Hi gang,
We have a couple of databases on separate servers that have exactly the same schema, and we would like to set up merge replication between them.
Is that possible? The few times we've experimented on test databases, the subscriber database has been trashed and rebuilt using data from the publisher, rather than preserving data from both databases.
I'm really new to replication in general, so any kind of advice would be helpful.
Cheers,
Matt
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Feb 26, 2004
Hi all,
I'm a rather newbie, not only to this forum but also to sql server having a question to the following issue:
Is it possible to drop/remove/delete the "orphan" of a merge subscription on one instance of sql server without having the (former) distributor/publisher (on other instance) available?
The background is: I had a small replication infrastructure with two instances (on two machines), one the publisher and distributor, the other the subscriber. Now it happened that the publisher/distributor machine was completely set up new without having the replication dropped in advance, what remained on the subscriber is now a database with all the merge/replication tables and the guid columns in the user tables.
Moreover this, an entry remained in the subscription saying that a subscription with the former publisher exists...
Can I remove these "orphans" without having to setup the instance again?
Thank you,
Andy
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Jan 25, 2007
Hi all.
I 'm trying to set up merge replication between two servers that have the same schema databases. The two database have the majority of there data the same but as well as data inserted at a later time independently on the two servers. (The two servers were connected in a merge replication scheme that failed at some later time and replication was paused, but users continout to insert data indepentedly at the two servers.)
I need to get them up and running.
I cleaned replication at both servers, I recreated the publication at the puplisher distributor and all is fine.
When I create a push subscription to the subscriper I get the error invalid column name 'rowguidcol' .
I so far managed to have merge replication running on two identical databases (schema and data).
Just some thoughts. After some reading I found that it might be related to identities and identity range or indexes. I set the identity seed and increment at 2, 2 at publisher and at 1,2 at subscriper. (On the same tables at puplisher and subscriber.) Is that ok? is that the way to do it?
Digging a bit more Using the SQL Profiler I can locate the error to happen when sp_MSaddmergetriggers executes.
Thanks allot for any help
Version.
Microsoft SQL Server 2000 - 8.00.2039 (Intel X86) May 3 2005 23:18:38 Copyright (c) 1988-2003 Microsoft Corporation Standard Edition on Windows NT 5.0 (Build 2195: Service Pack 4)
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Jul 26, 2007
What's the proper way to delete an existing database through native c++ code?
When I try DeleteFile(filename), I get an error about another process using that file. I hadn't created a connection to that file in my own program, so I assume that lock is from the sql engine.
Thanks folks!
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May 26, 2015
What is the main difference between snapshot and transactional and merge replication?
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May 21, 2002
I have 50 MSDE SQL2k servers, each server has around 10 customer databases.
There are 5 stored procecures need to update to 50*10 = 500 databases.
These 5 stored procedures each has many 'Go' keywords and 4 of 5 with more than 8000 characters.
What might be the best way to loop execute them automatically, instead of
isql/w to each database connection to run the script?
I had bumpped by 'Go' keywords error and limitation of max varchar of 8000 error.
thanks for the help
David
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Nov 8, 2015
I am new to use MERGE statement. The MERGE cannot find any match Cardnumber in the target table. It inserts row into an existing row on the target table causing SQL rejected with duplicate key not allowed. The CardNumber is defined as a primary key on the target table with no duplicate allowed. Below snippet stop when MERGE insert a row exists on the target. The source table contains multiple rows with the same Cardnumber because it is a transactional table with multiple redemptions.
If MERGE cannot handle many (source) to one (target) relationship, what other method that I can change to in order to update the target GiftCard table which keeps track of gift card balance?
Below is the error message:
Msg 2627, Level 14, State 1, Line 5
Violation of PRIMARY KEY constraint 'PK_GiftCard'. Cannot insert duplicate key in object 'dbo.GiftCard'. The duplicate key value is (63027768).
The statement has been terminated.
DDL of the target table:
CREATE
TABLE [dbo].[GiftCard](
[CardNumber] [varchar](50) NOT NULL,
[Year] [int] NULL,
[Month] [int] NULL,
[Period] [int] NULL,
[TransAmount] [decimal](10, 2) NULL,
[Code] ....
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Aug 30, 2007
Hi all,
I know that adding a column using ALTER TABLE to add a column automatically allows SQLSERVER 2005 to replicate the schema changes to the subscribers, however, I would like to add a new column to an existing article that is being used for merge replication, however, I don't want this column to be replicated. Re-initialising the subscriptions is not a option. Help would be appreciated.
I am using SQLSERVER 2005 (SP1).
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Jun 20, 2002
...
Hi -
.
I need a way (Thru ASP code) to collect data from multiple database(s)..
Currently I have a 'Orders' table in 3 separate databases, would like to merge All to run a Query page.
.
Thanks - Dave
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Nov 12, 2007
Hi All,
I have to merge few different databases to one big common database :) I mean about structure (tables, procedures, users, roles etc.) and data. May you suggest, help me how I should do this. How start? Create brand new database or relay on one old and add difference from other?
--
Regards,
anxcomp
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Jul 20, 2005
I have two databases with each one on a different server. I can copyboth databases to the same server with no problems. But how do I mergethem?This is what I came up with so far but how do I do the same process formultiple rows and tables?IF NOT EXISTS (SELECT tmp_DB1.dbo.tb1.key1 FROM tmpDB1.dbo.tb1 WHEREtmp_DB1.dbo.tb1.key1 = tmp_DB2.dbo.tb1.key1)INSERT INTO tmp_DB1.dbo.tb1 (<all fields>)VALUES (<all fields>)Thanks in advance.
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Jan 19, 2006
My problem is this:
I have a database file on a hard disk. I have to read that data and merge it into a database on a sql server. How can you merge ? The databases are set up the exact same way. The only difference in them is the data.
Also, in the database file I have image names, I have to compare them to what is on the database on the sql server.
Thanks
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Apr 26, 2007
I have 2 database, one has data and one is being created on my handheld. Is there a way to merge the database together so I get the data in the tables I need in the database being create or can I add tables to the existing database so I can use that for my testing?
here is the issue;
database 1 has tables with data - but does not have all the tables I need. - pre-existing
database 2 is being created when I start my app, and creates the tables I need but no data and not all the tables.
Is there a way to merge these to, so I don't have to create a huge insert statements for each tables I need data for?
or can I do a select from database 1 and insert the records into database 2?
example: insert into tbl1 (name) select database 2.table(col1) from tbl1, is this possible?
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Oct 26, 2007
Hi,
I want to share knowledge that we have the abality to merge the two databases in one database. As if your site is already working with data base with out login page. And you are using asp.net built in funtion to create login page there will be a new database will automatically generated with the name of "ASPNETDB.MDF". you will check it in machine.config. If you want to get its data in old one database you only open sdk dos promt and write aspnet_regsql.exe and press enter. A wizard will open for you. in first two wizard you click next without changing it. and in the 3rd page you will enter the database name in which you want to write this ASPNETDB.MDF data. and in the final page you click finished button and close the sdk dos promt.
You should go on web. config file and modify the code for example.<connectionStrings>
<add name="wordexpress" connectionString="server= localhostsqlExpress;Database=wordexpress;Integrated Security=True"providerName="System.Data.sqlClient" />
<remove name="LocalSqlServer"/>
<add name="LocalSqlServer" connectionString="server= localhostsqlExpress;Database=wordexpress;Integrated Security=True"providerName="System.Data.sqlClient" />
</connectionStrings>
And then check your old database you will see that there is new 11 table added.
My question is that I cannot get these table in my old database. I have working with the same procedure. Can any one tell me if there is any mistake from my side.
Naveed Baig.
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Jul 21, 2012
Recently i got one assignment from my senior, I have to merge multiple sql server databases,
Where to start?
How to start?
What prerequisites should consider?
What factor will cause error, how to tackle that error.
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Oct 9, 2007
I am working on bringing our disaster recovery site to be a live site. Currently we replicate to one of out servers (server B) with merge replication (from server A). Server A also does one way transactional replication form some table to several other servers including servers at the DR site.
This setup is not going to be fast enough for what we need so I am wondering if a table is receiving merge replication will the merge updates also replicate down the transaction path??
Example...
Server B update a row and merges to Server A. With this update them replicate (via transactional) to Server C??
thanks...
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Feb 11, 2005
Hi All,
I am having a server where replication is set up between 2 differnt databases. It is currently running. I want to add a couple of tables to the replication. I tried using sp_addArticle, but after executing it, in the properties of the publication it shows the new tables, but at the database level the tables are missing.
I tried with sp_addsubscription but I am getting strange error:
Server: Msg 14100, Level 16, State 1, Procedure sp_addsubscription, Line 240
Specify all articles when subscribing to a publication using concurrent snapshot processing.
What can I do to publish the tables into the target database?
Thanks in advance.
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Aug 15, 2006
My manager does not want to go through the process of moving 40 GB of data to the subscriber database over the network as would occur during the initialization phase of replication (exact method of replication has yet to be determined). The subscriber db is for Web Access and will be read-only. He wants to back up a db and use tapes to restore the db on the subscriber db server, and then activate replication. I have told him that you have to allow SQL Server to create the objects on the subscriber side and you have to allow SQL Server to control the data flow, that manually creating the objects on the subscriber side will not work. He says that I am incorrect.
Who is right? I haven't been able to find an answer from the Microsoft site and news groups.
Thanks,
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Sep 24, 2007
I am trying to make a DDL change to an existing column for a transactionally replicated table. I am attempting to effect the ALTER on the Publisher. Below is the statement I am using:
[Begin Code Snippet]
ALTER TABLE Products ALTER COLUMN LegacyProductID varchar(20)NULL
[Begin Code Snippet]
This is the error message:
Msg 4928, Level 16, State 1, Line 3
Cannot alter column 'LegacyProductID' because it is 'REPLICATED'.
Column properties currently are:
INT
NULL
Not For Replication - False
Primary Key - False
I read this article http://www.replicationanswers.com/AlterSchema2005.asp but still cannot either get the statement to work or identify a reason it isn't working.
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Sep 23, 2015
I want to add some new tables to the existing pub.We are using transactional replication.
As per my knowledge,by using below option we can do it.
exec sp_changepublication
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Dec 18, 2006
Hello,
How to add the NOT FOR REPLICATION Option to Existing Tables( IDENTITY column,FOREIGN KEY constraints )- TSQL.
Thanks,
Kanna.
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Dec 4, 2004
We have a setup with one Publisher Server and 15 Subscribers with merge replication configured for all subscribers. The current Database size is approximately 3 GB expected to grow to 10 GB in next 1 year. We wanted to know what benefits would we incur if we add an additional seperate distributor server (hardware box). Also, what is the approx. size of a database where a seperate distributor server (hardware box) is recommended.
Thanks in advance
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Jul 3, 2007
How do I get a new table added to a transaction publication with R/O subscribers? Is it not possible to add new tables without completely drop and recreating the publication?
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Aug 27, 2015
We have a requirement to add a not null column to an existing table.
I created the column with null and updated with single quotes, and then converted the column into not null.
Now, I can see in the publisher, it went fine. but in the subscribers, i'm getting the error as, can not insert null value. I then tried to make column as null to resolve the issue, but still it is holding the same error and not proceeding further.
Now I even dropped the column. still same issue. how can I resolve this issue? I'm using sql server 2008 R2 with SP3. replication type is Merge replication.
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Aug 5, 2014
In my local environment , i was setup transnational replication then i have added new article by using below script
EXEC sp_changepublication @publication = 'demo', @property =
N'allow_anonymous', @value='TRUE'
Go
EXEC sp_changepublication @publication = 'demo', @property =
N'immediate_sync', @value='TRUE'
EXEC sp_addarticle @publication = 'demo', @article ='employee',
[Code]....
But article not added and showing this error message The initial snapshot for article 'employee' is not yet available.
What is the issue, what can i do to add new article ? What did I mistake?
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Jun 23, 2007
Hi, I have compact sql databases which will be local on multiple users
devices. Due to space constraints, for one of the tables i have had to use
auto incrementing integer which works fine for the local database but i
would like to merge all of the users databases into a global database. The
table format can be seen below:
Code SnippetCREATE TABLE Players
(
ID UNIQUEIDENTIFIER NOT NULL PRIMARY KEY,
FirstName NVARCHAR(32),
LastName NVARCHAR(32)
);
CREATE TABLE Sessions
(
ID INTEGER NOT NULL IDENTITY,
PlayerID UNIQUEIDENTIFIER ,
SessionDateTime DATETIME,
CONSTRAINT pkSessions PRIMARY KEY (ID),
CONSTRAINT fkPlayerID FOREIGN KEY (PlayerID) REFERENCES Players(ID)
);
CREATE TABLE SessionDetail
(
SessionID INTEGER,
Time real,
Power real,
CONSTRAINT pkSessionDetail PRIMARY KEY (SessionID,StrokeTime),
CONSTRAINT fkSessionID FOREIGN KEY (SessionID) REFERENCES Sessions(ID)
);
The Players table will merge fine as GUIDs are used. However, how will the
sync capabilities of compact SQL handle the sessions table? When it pushes
the local data to the remote database will it change the Sessions.ID column
to a unique field (as no doubt lots of people will have 1, 2, 3 in their
local databases and the global database must have a unique ID), and then
transfer this changed ID back to the local database? Furthermore, if it
changes the Sessions.ID column during the merge it will also need to update
the SessionDetail.SessionID foreign key to maintain referential integrity,
is this also handled?
So my question is, how much of this sync and data merge is automated and are
there any good examples or pointers for my scenario? I cannot reasonably use
a GUID for Session.ID as there will be lots of SessionDetail entries and the
size would be far too much.
Many thanks,
Chris
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Feb 14, 2002
Hi everbody,
I setup the Merge Replication , it is working perfectly. But i have one problem now it is updating both ways. I nedd one way. Any body tell me which parameter i have to change.
Thanks in advance
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Aug 12, 2002
Hi,
My production box is running on NT4.0,SP6, SQL Server7.0,SP2. We implemented Merge replication. Working fine last 7 months. Last weekend i disabled replication, Successfully removed Distributor and Publishor. After that try add new fileds but won't allowed me. It's give the error message. I Also found Some Conflict_tables found almost 20 tables. All system Tables. Can delete these these tables, if i delete any problem my database.
I added filelds many times but this time i got errors.
Please help me anybody.
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Jul 31, 2000
I have just installed replication on our production server to Merge Replicate with a Laptop server that will travel from time to time. I have now noticed that we cannot add or change any fields or attributes on the tables which are being replicated (which are all tables in the DB). This is a problem because we are changing and adding columns all of the time. Is there a way around this issue like shutting down the replication service or something? I have been unsuccessful in finding a way around this other than removing replication while we make changes.
Thank you in advance for any help!
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Jan 22, 2001
I have implemented a Merger replication on our development server and I get a fillowing error when I try to update one of the table in publisher.
"Transaction cannot start while in firehose mode"
What does this mean.
Thank You,
John
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Dec 19, 2000
Hi,
I read some where that replication has two types conflict resolution, 1. row based and 2. Column based...
If I am right...
Can any one point me how to find out this option and how to set it up....
Thanks,
Mohammed.
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Sep 16, 1999
Hi all,
I have a merge replication going between 4 servers. The problem is when ever I do some BCP transfer to one of the tables in one of the servers. It puts the data in that table. But that Data does not get replicated to any other server like it should.
Please Advice on what to do. Is there any option I am forgetting to set or something.
Thank you for all your time in advance.
Aziz
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Sep 12, 2003
I have successfully tried merge replication on single server with 2 databases.
now i want to do the same with different servers,
when i create pull subcription on server 2 which user account should I use?
it is giving log in failure
i tried using windows admin account and also the 'sa' account.
please help me out
thanks
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