Sync Tables
Sep 24, 2007
Hi all,
I have three tables and i want to bring all tables into sync.
My problem is that the difference in the amount of records is huge.
CORE -- 85659 This table doesnt have a PK
CRF -- 59895 This table has a composite key (MIN,MAX)
DS -- 58595 This table also has a the same composite key (MIN,MAX)
All the tables have their own UIDs. Additionally CRF has a column which stores the UID of CORE table and DS has a column which stores UID of the CRF table.
CORE --> CRF --> DS
UID --> UID,CORE_UID --> UID,CRF_UID
I have only 3 columns (UID, MIN, MAX) that can be used to sync all the tables. Can anybody help me...?
Thanks in advance....
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Feb 22, 2008
Hi Forum, Ive been unsuccessfully trying to copy data from one table to another, very simple scenerio!
Table1 ID(PK), FirstName, Mobile, Date.
Table2 FirstName, Mobile.
The first question I have is should I fill Table2 at the insert stage OR should/do I update Table2 from Table1 as the users details are entered. ie create some kind of relationship.
Really appreciate good advice! cheers P
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Apr 18, 2005
I have two db instances on different SQL Servers. One is my test db and the other the prod. db. Each has two tables that hold lookUp values for the entire application. I would like to keep these tables in sync. in both dbs. The prod. db would be the master. I was trying to design a trigger to insert, update, or delete the appropriate records in the test db as they were added or deleted from the prod db.
I'm getting too many prefixes errors on the script when trying to reference the table on the test db using four part naming convention.
Any ideas on how to resolve this issue? Do I need to set up a linked server to accomplish this functionality? If so, how do I setup security for a linked server?
Thanks in advance.
Oscar
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Jan 31, 2000
I have a SQL 7 backup file that I restored onto a new server. All the objects within the database are not owned by dbo, instead they are owned by a db user. When I tried to login to the db it said that it wasn't a valid user. So I added the login to the system. Now when I login it says it is not a valid db user. I have attempted to sync the id's but don't know how. In 6.5 I could run an ad-hoc query to match the SUID's for the system and the database. In 7.0 I can not because the suid for the db is computed. Any ideas on how to sync the user ID's so that I can login to the server using the target db as my default and can query the table with prefacing the owner(I can get in if I give my login SA privelages but then I have to preface all the objects with the owners name)?
Thanks in advance for any help that you can offer.
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Feb 20, 2003
hi,
we currently have a web server/db on-site and a similar backup machine across the country. we're using a pretty bad backup strategy. we zip up a backup file, thats done on the main server every night, then ftp over to the back up server then run a restore.
lately ive been having problems with the main server. i would like to have the machines sync'd up as close as possible.
ive searched the threads and noticed replication and log shipping to be the most practical, but im assuming most of the machines are on the same domain.
what would be my best bet for machines connected over the internet, no vpn?
also the db on the main machine get queried/inserts all day from 7am - 6:30pm
thoughts?
thx
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Mar 18, 2007
I need to syncronize two separate databases. One is SQL Server the other is MySql. I don't have a lot of experience with MSSQL and need a little advice on how best (in terms of speed especially) to gather records that have been added since the last sync and any that have been modified. The table in question has datetime fields for both, the time each record was created (CreatedTime) and the time that the record was last modified (ModifiedTime). Sync will happen daily.
I have worked out a few ways I might do this with DATEADD or DATEDIFF, but my question is, what is the most effecient way? Currently I'm just looking for a way to get inserted and updated records from SQL Server to MySQL. I may have to do a two way sync of some sort later.
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Mar 19, 2006
I need to make a sync between 3 or more SQL Servers. We have 3 Small Business server with sql server 2000. In all the 3 locations, branch and headquarters we've the same databate data.
For sync with 2 there's no problem. I need to make it with three and then at the end of the year with four.
Can anyone help me?
Cheers
João Almeida
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Jul 23, 2007
how do i write a sync procedure that syncs both tables and ensures that Table_2 keeps all services that are listed in Table_1
how do i write a procedure for the sync between both tables, and put this procedure into the package
so basically there have to be two sync parts: First is INSERT of what is not yet existing, second one is UPDATE on the appropriate attributes.
How would i write this sync procedure?
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Jul 23, 2007
how do i write a sync procedure that syncs both tables and ensures that Table_2 keeps all services that are listed in Table_1
how do i write a procedure for the sync between both tables, and put this procedure into the package
so basically there have to be two sync parts: First is INSERT of what is not yet existing, second one is UPDATE on the appropriate attributes.
How would i write this sync procedure?
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Jan 17, 2008
I want to synchronize two databases. Is there a query or a tool to synchronize them?
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Jul 20, 2005
Hello,I've got 2 databases (both on MS-SQL Sever2k). One of them (remote)contains table which is often updated. For various reasons I'd like tomaintain a copy on local MSSQLServer. Is there any built-in mechanism whichallows to do such things?! I can do this manually, by examining the remotetable contents, and downloading new stuff (local table cannot be modified inany other way), but I guess that there is a smarter way. Any ideas?!ThanksPiotrek
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Jul 20, 2005
I have tried to set up log shipping for one of our databases - firsttime. Using EM I was able to create the job and maintenance plansucessfully. I wasn't able to find any errors in any logs. In themonitor server, when I look at job history, everything is gettingcopied and loaded sucessfully, yet the STATUS in the log shippingmonitor states it is out of sync.How do I get this into sync? I have set the out of sync threshold to45 minutes. I have made changes in our production database and thosechanges are showing up in the standby database, so it all appears tobe working.Thanks.
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Feb 11, 2008
I have two databases data1(Express 2005) and data2( Enterprise 2005). Data1 is a subset of Data2. Now beginning from that state any changes to either database should be reflected on both of them.
Now what's my best solution to accomplish this considering one is the subset of other??
Thanks
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Feb 5, 2007
What is the best solution to run a disconnected database on a tablet pc and then sync wirelessly to a SQl Server database?
Thanks
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Aug 29, 2006
I set up log shipping,
after a while the log shipping pair in LogShip Monitor is out of sync.
what cause this & how to solve this problems.
thx
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Dec 21, 2005
I have set up a database with log shipping to the backup server. I have actually set it up multiple times because it continues to get out of sync, and I do not know another way to get it back in sync (despite much effort to learn how). I have not found much documentation in BOL, nor in the on-line areas that I can find. I have not been able to discover why it keeps getting out of sync.
If there is anyone who may shed some light on this, I would be very greatful.
Particulars (both servers):
Windows ADV Server 2003
SQL 2000 (Enterprise Ed.)
Servers on a work group (not domain)
There is a separate database on the same servers that continues to have successful log shipping.
Thank you very much (in advance).
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Aug 26, 2006
what is the work around for Out of Sync error?
What cause this problems ?
thx
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Jan 14, 2007
I have (finally) successfully gotten through the maze and 'published' my database to a folder:
Physical path: I:SqlReplication
unc: WarrenassocSQLReplication
Since I'm running XP pro, I don't have the options of assigning specific read/write permissions to a folder.
However it appears the problem is with accessing the snapshot and the logon's there.
When I run the IIS Web Configure wizard I error out at the snapshot share permissions step (see report below)
Wizard Settings:
Click Finish to perform the following actions:
Modify a virtual directory immediately.
Copy the ISAPI dll 'sqlcesa30.dll" to 'I:SqlReplication" immediately.
Set NTFS permissions immediately.
The virtual directory 'SqlReplication' will be configured with the following options:
On server 'WARRENASSOC'.
Use 'SqlReplication' as the alias.
Use 'I:SqlReplication' as the physical path for the virtual directory.
Use 'Anonymous' as the authentication method(s).
Do not require secure channel.
Set user permissions to 'Execute'.
Clients can use 'http://WARRENASSOC/SqlReplication/sqlcesa30.dll' as the Internet URL.
'sqlcesa30.dll' will be copied from 'C:Program FilesMicrosoft SQL Server 2005 Mobile Editionserver' to 'I:SqlReplication'.
'WARRENASSOCEd Warren' will get the following NTFS permission:
'Read & Write' on physical path 'I:SqlReplication'.
'Read & Execute' on the ISAPI DLL 'I:SqlReplicationsqlcesa30.dll'.
'Read' on share physical path '\WarrenassocI$SqlReplication'.
'Read' on the share '\WarrenassocI$SqlReplication'.
- Modifying the virtual directory (Rolled back)
- Copying the ISAPI DLL (Rolled back)
- Setting the directory permissions (Rolled back)
- Setting the server agent permissions (Rolled back)
- Setting the snapshot directory permissions (Rolled back)
- Setting the snapshot share permissions (Error)
Messages
The operation completed successfully. (Exception from HRESULT: 0x80070000) (mscorlib)
- Modifying the Virtual Directory configuration file. (Stopped)
When I created the snapshot I used my personal logon (admin rights) at each step
I've tried all combinations of setting the permissions in the wizard from requiring a login and providing my personal login to no requirements and I get the same error.
I'm trying to set up to copy a database from my SQL Server 2005 --> SQl Server CE 31 RC1
to see it it meet my development needs.
I'm at a loss as to how to navigate the security maze!!
Thanks Edward Warren.
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Jan 24, 2006
Hello everyone:
I wanted to ask a question about log shipping going out of sync. We have a remote server in the UK that is our production server, and we are trying to set up log shipping with another server in the US. Our Log shipping monitor goes "out-of-sync" after about 8-10 hours. We changed the US server to have the same time as the server in the UK, but there still seems to be an out of syn error after 8 hours.
We are using Windows server 2000 and SQL server 2000.
SQL server will restore logs then after a few hours it stops restoring and goes out of sync. Was just wondering if someone knew the possibilities of why.
Thank you.
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May 6, 2008
Hi guys
Is there anyway to sync a sdf database on a device with a mdb database on a desktop
Thanks
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Mar 3, 2008
I'm using SQL'05, VS'08 SQLCE 3.5 building VB.NET applications.
I'm using LocalDataCache to sync SQLCE and SQL'05
When I write a new record to SQLCE the corresoponding record in SQL'05 shows both LastEditDate and CreationDate values.
When I update the recored in SQLCE the LastEditDate gets updated, but CreationDate gets set to NULL.
Ideas?
David L.
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Dec 6, 2007
hello all,
I am having an intersting problem using sql replication.
I have a staging database inside my firewall that I am replicating out to my sales force over gprs. The web synchronziation server is in the dmz and the dbin in the firewall.
When I initiate the sync from the mobile devices, I am monitoring the replication monitor. The replication takes about 5-30 seconds to complete on the server but the operation can take up to 15 minutes to complete on the mobile device. The time delay happens over gprs, wi-fi or even activesync'ed so it is not the connection speed. I have tried tweaking settings on my IIS box but to no avail. To make things even more interesting the problem is intermittant. Anyone ever see anything like this?
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May 2, 2008
Is my understanding of the Sync process correct?
I would like to write a Windows Forms applications that communicates to a SQL 2005 database when the client computer is on the server network. The client syncs a CE database with the host version. When the client is not connected to the network, I would like the Forms application to fail over to the CE database.
I have written an application that builds the databases. I can use server explorer to verify that the same data is in both version (CE & 2005). When I do a fill from VB with the computer not connected to the network, I get a connection exception from the Fill statement.
Is there something else that I need to do to fail over to the CE database or am I off base on my understanding of the Sync concept?
Thanks.
Larry
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Sep 17, 2006
Dear friends
I read about 'NoSync' initialization.I tried out in my system.That time after executing Sp_Scriptpublicationcustomprocs,Stored procedures are propagated to subscriber.Replication was working fine.But afterwards I got some problem.So I reinstall my SQL Server I agin tried 'NoSync' initialization.This time Stored procedure is getting created on Publisher database not in subscriber.Can you tell me what may be the reason
I have two other doubts also
1)Sometimes I am getting error in subscriber.'The process couldn't connect to Distributor'.How to configure distributor in this case?
in configure publishing,distributor wizard I won't able to do anything like that change distributor login or something
2)How to delete Distributor database from a server.once it's get created if wan't also I won't able to delete it
3)If I am using SQL Server 2005 Peer to peer Replication whether it will be reliable for load balancing.My All servers will be in one office only.Or clustering may be better technology for load balancing.if it is like that can you tell me why it is?
Expecting reply
Filson
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Mar 5, 2008
Hi guys!
I'm facing the following Problem.
My c# .net Application consists of a Desktop Part - and a Mobile Part (Win CE 5.0)
The Desktop uses a Ms Access Database, the Mobile a SQL Server Compact 3.0 Database.
The mobile Database is a kind of "light" version of the desktop
e.g
Desktop DB,...
Table Component
Attribute
Component ID
ComponentName
Quantity
Info1
Info2
Text1
Text2 ...
Mobile Database
Table Component
ComponentID
ComponentName
Quantity
changeflage
So as you see there are less information on the mobile Database.
But anyway, somehow i need to sync these tables...in both directions.
My first idea was to create an OleDB Connection to the Desktop Database, and Fill a OleDbDataadapter with the table Content.
Then run throuh the dataset.tables[0] row by row... and insert or update the Content in *.sdf database.
and vice versa
I also thought about to add an Attribute named "changeflag" to the mobile database, and if i change the Contant of a row i set the changeflag to 1, so i know i have to update this line in the Desktop Database
My question is now, is there a better or easier way to do a synchronisation, without running through a Dataset und inserting or updating the Mobile Database row by row?
with kind regards
Thomas
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Nov 19, 2007
Is it possible to get the date of last synchronization from the sdf file?
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Apr 16, 2008
I have a very simple application that is desktop and windows mobile. I am just starting work on it so the options are wide open for now. My goal is a simple database that will sync columns on both sides.
The SQL Compact Edition database seems like the perfect database to use for this application.
The only way I currently know of to sync a PDA database to the desktop, however, is to use IIS and SQL server on the desktop side and then use the ADO.NET sync stuff.
I don't want to have to set up IIS and SQL server on my client's computers. It will be a mass market product and that is just inviting a ton of support that I don't want to have to deal with. The application is too simple and cheap for that.
I know I can go the old fasion ActiveSync component route, but that is such a pain. I could also use a 3rd party solution, but again, too expensive for this application.
My question is whether anyone knows of a simple solution.
Is there any way in SQLCE to query a remote database and do updates to it? Could the desktop application get access to the PDA SQLCE database or the other way around?
Any help would be great. I have the experience to write an ActiveSync component myself. That is not the problem. It is just such a pain and it seems like in today's day and age I shouldn't have to.
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Nov 14, 2006
Our backend database is Oracle 9i, and now I need to write an application for PDA, which is SQL Server Compact Edition powered. Here is my question: Is there any way I can sync data between PDA and backend database? Can Sql server compact edition do this? Any resource?
Thanks in advacne.
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Jun 23, 2006
I developed a Sql 2005/Sql Mob merge application for a Dell Axim x51. After making the initial connection from PDA to Desktop (Activesync), the first attempt to sync/rep the database generates an HRESULT error. All subsequent attempts work just fine. As a short term fix I put my sync routine in the error handler so it makes the initial and second attempt. Any idea why first attempt fails. SQL 2005 and IIS are on same machine running XP Pro.
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May 12, 2007
hi.
I have two database( one on local system and another on my host ) there are same in table and stored procedure. i just want to sync data between there in my application ( ...on button on click event ! ). please help me to do it. tnx
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Oct 15, 2007
SQL Database Schema Sync
We have development and production databases, when we change database schema in development database how can I synchronize it to production without creating data problems in production, is this possible in SQL2005? Or any external tool I can use?
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Nov 3, 2005
Hi there,
Is it possible to, somehow, get a specific users password from active directory? The reason I ask is that I am writing a new system and really don't want the users having to remember yet another password, but rather be able to use there network password? I would like to write the logon section myself and not use any built in functions that anything may have.
Please can someone advise. I don't think it is possible but have been asked to persue the issue.
Thanks
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Apr 13, 2006
I need to keep the data in my development server and production server in sync.....What is the best way to do this?Remember for example development data may have some addition columns in a table which may not exist in production.....Pls let me know how can i achieve this.
I cannot apply backups because i will loose the ongoing development ....
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