Linked Server To A MySQL Database
Feb 25, 2004
Hi,
I've installed MyODBC-3.51.06 and succsesfully created 2 odbc sources to the MySQL database with the ODBC data source administrator. One is a User DSN, the other a system DSN (Q1: what's the difference?) The test in that applet perfoms positively.
Running a dataimport of the tables using the import data option in enterprise manager does work as well.
Now for the part that gives me trouble. I would like to create a linked server using enterprise manager of SQL server 2000 (SQL 8.00.194) but I'm totaly stuck there. So Q2: how to get this set up?
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Feb 12, 2007
Good Morning
Has anyone successfully used cherry's oledb provider for MYSQL to create a linked server from MS SQLserver 2005 to a Linux red hat platform running MYSQL.
I can not get it to work.
I've created a UDL which tests fine. it looks like this
[oledb]
; Everything after this line is an OLE DB initstring
Provider=OleMySql.MySqlSource.1;Persist Security Info=False;User ID=testuser;
Data Source=databridge;Location="";Mode=Read;Trace="""""""""""""""""""""""""""""";
Initial Catalog=riverford_rhdx_20060822
Can any on help me convert this to corrrect syntax for sql stored procedure
sp_addlinkedserver
I've tried this below but it does not work I just get an error saying it can not create an instance of OleMySql.MySqlSource.
I used SQL server management studio to create the linked server then just scripted this out below.
I seem to be missing the user ID, but don't know where to put it in.
EXEC master.dbo.sp_addlinkedserver @server = N'DATABRIDGE_OLEDB', @srvproduct=N'mysql', @provider=N'OleMySql.MySqlSource', @datasrc=N'databridge', @catalog=N'riverford_rhdx_20060822'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'collation compatible', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'data access', @optvalue=N'true'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'dist', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'pub', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'rpc', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'rpc out', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'sub', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'connect timeout', @optvalue=N'0'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'collation name', @optvalue=null
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'lazy schema validation', @optvalue=N'false'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'query timeout', @optvalue=N'0'
GO
EXEC master.dbo.sp_serveroption @server=N'DATABRIDGE_OLEDB', @optname=N'use remote collation', @optvalue=N'false'
Many Thanks
David Hills
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Jul 2, 2003
We have SQL Server 2000 on a Windows 2000 server and a mySQL database running on a Windows 2000 server.
We have used MyOLEDB driver(OLEDB) to link the mysql database.
How can I access the data stored in a Linked server?
Any help would be appreciated.
Thanks!!
this is our code¡G
exec sp_addlinkedserver @server='OLEDB_test',
@srvproduct=N'',
@provider=N'MySQLProv',
@datasrc=N'203.xx.xx.xx',
@catalog = N'Store'
exec sp_addlinkedsrvlogin 'OLEDB_test','false',null,'root',''
select * from OLEDB_test.Store.root.Books
or
select * from OLEDB_test.Store..Books
error message:
Can't create OLE DB Provider 'MySQLProv' instance¡C
OLE DB error trace [Non-interface error: CoCreate of DSO for MySQLProv returned 0x80040154]¡C
by the way¡G
1.We Create an ODBC System DSN that points to our MYSql server
2.We use OLEDB for ODBC to create a linked server to mySQL
3.We have got the query to work with openquery
but we can't update¡Bdelete¡Bmodify the data stored in a Linked server
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Mar 7, 2001
I have created a linked server to a MySQL database using a DSN. Does anyone know how to run a select statement against a table in the MySQL database? The usual 4 part naming convention does not work.
I can run SELECT *
FROM OPENQUERY(Top50, 'SELECT * FROM orders') which does return records successfully. (Top50 being the name of the linked server)
My objective is to be able to insert records into the MySQL database and I am not sure how do to that using OPENQUERY. Any thoughts on that would be appreciated as well.
Thanks in advance.
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Jul 14, 2002
Anyone know how to go about getting data from MySql to MS SQL server? Im a little confussed as to what ODBC driver is needed and all that. Is it possible to this all through enterprise manager? Thanks a lot.
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Jan 18, 2005
We are trying to do a linked server to MySQL from MS SQL2k. We downloaded MyODBC drivers, setup the system dsn successfully but then SQL errors out using both the GUI and the stored proc to add the linked server to mysql. Does anyone have a good site to reference or any words of advice. An hr or so of google didn't really give up any helpfully information.
Thanks,
DMW
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Nov 8, 2006
Hi,
I have a problem , I created a linked server to mysql with following parameters:
New linked server: ServerName
Server Type: Other data Source: Microsoft OLE DB Provider for ODBC Drivers.
In the Provider String:Driver={mySQL ODBC 3.51 driver};Server="ip";Port=3306;Option=17923;Stmt=;Database="database";Uid=root;Pwd="pwd"
And I created a ODBC with mysql, and connection worked sucessfully!
The connection worked corretly until I' ve running a transact query in sql query analyzer, thats connects to MySQL and...
when I try to connect in SQL Server 2000 standard Ed. in linked Server, the following message appears to me now, and before this I was able to connect!
Server: Msg 7399, Level 16, State 1, Line 11
OLE DB provider 'MSDASQL' reported an error. The provider reported an unexpected catastrophic failure.
ODBC: Msg 0, Level 19, State 1
SqlDumpExceptionHandler: Process 169 generated fatal exception c0000005 EXCEPTION_ACCESS_VIOLATION. SQL Server is terminating this process.
OLE DB error trace [OLE/DB Provider 'MSDASQL' IDBInitialize::Initialize returned 0x8000ffff: The provider reported an unexpected catastrophic failure.
The query just make a select in MySQL, but I think that broke something...
What I have to do?
reply to my email: daniel.sarnes@antilhas.com.br
Thanks a lot!
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Mar 16, 2004
Hi,
I have setup a MYSQL server as a linked server in SQL SERVER 2000. I am able to select from a table using OPENQUERY as I understand that you can't use the 4 part qualifier to access an object from MYSQL as the ODBC driver does not expose the proper interface for this. The problem is that I cannot update,delete or insert into the OPENQUERY() table
eg.
UPDATE OPENQUERY(MySQL_LinkedServer,'select id from msqlTableTest') SET id = 0
INSERT INTO OPENQUERY(MySQL_LinkedServer,'select id from msqlTableTest') VALUES(0)
DELETE FROM OPENQUERY(MySQL_LinkedServer,'select id from msqlTableTest') WHERE id = 0
This is the OLEDB PROVIDER FOR ODBC error I am getting...
The requested operation could not be performed because the OLE DB provider 'MSDASQL' does not support the required transaction interface.
OLE DB error trace [OLE/DB Provider 'MSDASQL' IUnknown::QueryInterface returned 0x80004002].
I know there are brilliant Professionals on this forum. Please tell me that this is just an MDAC upgrade or something that is not configured correctly...
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Feb 27, 2007
Good Morning
the available oledb providers for mysql don't seem to work with sqlserver 2005.
So whats the best way these days of exposing data from within sql server from a mysql data base.
What I wanted to do was create a linked server connection to the mysql server using either oledb or odbc, but neither seem to work.
There is a .net provider for mysql, but that won't work to create a linked server connection.
any ideas appreciated.
What I want to do is write some scheduled proceedual sql from within sql server to query some tables in mysql and update some sqlserver tables.
thanks
David Hills
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Nov 7, 2005
I can create a linked server to another MsSQL from MsSQL,but encounter error when create a linked server to MySQL:
Error 7399:OLE DB provider 'MSDASQL' reported an error.
Data source name not found and no default driver specified.
......
Anyone can help me?
Thanks!
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Oct 27, 2007
I'm trying to use linked server to import big amount of data(around 9 million rows) from mysql to a sql 2005 table.
I plan to create a stored procedure and use job agent to run it at off-peak time everyday. The SP is like:
.....
Truncate table sqltblA;
Insert Into sqltblA(col1, col2, col3)
Select col1, col2, col3
From OpenQuery('mysql', 'Select col1, col2, col3 From mytblB')
.....
But when I tried to CREATE the above SP from management studio, seems the sql server was trying to get all data from table mytblB and ended up with failure after several minutes hang. The error message is sth. like "running out memeory". BTW, during that several minutes hang, I can't query mytblB using mysql's tool as well. it seems to me that table got locked.
However if i try to change the returned result to 100,000 rows by changing script to
Insert Into sqltblA(col1, col2, col3)
Select col1, col2, col3
From OpenQuery('mysql', 'Select col1, col2, col3 From mytblB Limit 100000')
The SP could be created without any problem and running the SP could get the data in table sqltblA.
But that's not what I want, I need all rows instead of a certain amount of rows.
Does anyone know what's going on there when I try to CREATE that SP and any solution to it?
Plus I tried to use SSIS as well. When I'm configuring the DataReader source, which uses ADO.NET's ODBC option to connect to mysql, if its sqlcommand is "select * from mytblB" without the Limit key word, then the configuration page will hang there as well and table mytblB is not accessible by using mysql tool. I'm just sick of wasting time on that and that's why I chose to use SP istead of SSIS. But same result. :-(
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Apr 24, 2015
I am using Linked Server in SQL Server 2008R2 connecting to a couple of Linked Servers.
I was able to connect Linked Servers, but I cannot point to a specific database in a Linked Server, also, I cannot rename Linked Server's name.
How to point the linked server to a specific database? How to rename the Linked Server?
The following is the code that I am using right now:
USE [master]
GO
EXEC master.dbo.sp_addlinkedserver
   @server = N'Machine123Instance456',
   @srvproduct=N'SQL Server' ;
GO
EXEC sp_addlinkedsrvlogin 'Machine123Instance456', 'false', NULL, 'username', 'password'Â Â
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Oct 12, 2004
:confused: Hallo! I'm trying to link a MySql 's DB in SQLServer with ODBC: the operation was susseful but I'm not able to read and write/update the data.
HELP ME PLEASE!!!
silvia, Italy
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Jun 21, 2007
Hello,I have a problem. I've linked MySql server to MsSql, in MySql I have atable with Latvian data(character set is ucs2, ucs2_general_ci) andthe problem is that when I use openquery to read data from MySQLserver, some characters are not translated correctly! I receivequestion symbols instead of Latvian special characters.Maybe someone had this kind of problem with collation?
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Jun 21, 2007
When executing a query which joins against a large resultset from a linked server, SQL Server reports the following error:
Msg 7399, Level 16, State 1, Line 1
The OLE DB provider "MSDASQL" for linked server "foo" reported an error. The provider reported an unexpected catastrophic failure.
Msg 7303, Level 16, State 1, Line 1
Cannot initialize the data source object of OLE DB provider "MSDASQL" for linked server "foo".
This is using SQL Server 2005 with SP2, and MyODBC version 3.51.16 (although previous versions also seem to have the same behavior).
Once the error occurs any subsequent query against the linked server (even something as simple as select top 3 * From foo...users) fails with the same error message. Queries using the OpenQuery syntax also fail with this error.
I've tried to determine if there are some error logs that might give me more insight into what's going on, but the above events don't seem to log to the ODBC trace logs. And I can't seem to figure out a way to trace the MSDASQL (i.e., oledb) events.
I initially thought there might be a problem with the MySQL myODBC driver, but the ODBC layer itself does not seem to have a problem. But the following steps indicate otherwise:
1. Create a new Linked Server to MySQL. Same error as above
2. Execute a query against the ODBC DSN directly, using a shell program. This works fine
I'm trying to clearly identify if the problem is with the MySQL driver or with the MSDASQL provider. It would appear that the latter is at fault, given the error message, and the lack of any ODBC logging.
Would anyone have any insights about what might be going on here, and if there is any possible resolution?
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Apr 5, 2007
Hi all,I am developing a web application and the back end is MySQL database.
Now I want to shift all the data to SQL Server 2005.
Is there any method to do it?
Thanks
Tomy
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Aug 20, 2007
i've got a database stored on my computer using mysql server 2005, and I've just registered for hosting which uses the Plesk control panel.
In plesk I've setup a database and relevant user. What the easiest way of exporting the whole database on my computer and getting it onto my hosting account?
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Mar 3, 2005
I have an internal Project Management and Scheduling app that I wrote internally for my company. It was written to use MySQL running on a Debian server, but I am going to move it to SQL Server 2000 and integrate it with our Accounting software. The part I am having trouble with is the user login portion. I previously used this:
PHP Code:
$sql = "SELECT * FROM users WHERE username = "$username" AND user_password = password("$password")";
Apparently the password() function is not available when accessing SQL Server via ODBC. Is there an equivalent function I could use isntead so the passwords arent plaintext in the database? I only have 15 people using the system so a blank pwd reset wouldn't be too much trouble.
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Aug 1, 2006
Hi,
I'm using a couple of linked servers.
I want to create a stored procedure on all of the linked servers in a database with a name which exists on all of the linked servers.
For executing SQL on all of the linked servers I'm using:
declare @x int
declare @dbname varchar(500)
declare @SQL nvarchar(600)
set @x = 1
create table #databases (ID int IDENTITY,name varchar(500))
insert #databases select instancelongname from instances
while @x <= (select max(id) from #databases)
begin
select @dbname = name from #databases where id = @x
select @SQL='blabla bla bla create PROCEDURE [dbo].[usp_xxxx]'
execute @SQL
set @x = @x + 1
end
drop table #databases
Is it possible to use a ‘create procedure’ in this construction?
Can anybody give me some help how to create a proper syntax for it?
Any help is kindly appreciated!
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Jun 29, 2007
Hi,
I have a msaccess linked server that I use to execute sql 2000 stored procedures from a front end in adp (access data project) format without any problem, if it is used on the same machine where the sql server resides (with any user logged on). In any other machine on the local network where I also need to use it, I get an ole/db error message saying that the microsoft jet database engine can not open the file because it's allready opened exclusivly or because it do not has permissions. I created the linked server with both UNC and normal path with the same result.
Thank's for all the help/clues you can give me.
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Jul 8, 2015
I have a sproc that will generate a dynamic call (and this must be done in a stored procedure),... Anyway the dynamic call I am having problems with is that I need to dynamically create a statement to backup a database. It works as long as the database is on the same server / instance as the stored procedure. I want to be able to from server/instance A create a command that does a backup of a database that is on server B. I just can't figure out the syntax for a database backup where the database is on another server.
Trying something like [ServerName].[DatabaseName] does not work...
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Jul 16, 2015
We are upgrading from SQL 2008R2 to SQL2014 but we have discovered that a couple of our applications are not supported on 2014. We'd like to keep one 2008R2 server and one 2014 server until we have time to upgrade the applications and move everything to the new server. The problem is we have custom code in some of the 2014 databases that access tables in the 2008 databases.
I know we can easily do cross server joins by using a linked server, but it would be a huge undertaking to find all that code and add a linked server name in front of every table, stored procedure, etc. So my question is, is there any way to move a database to a different server and still be able to access it without having to qualify the object names with a linked server? Is there some kind of server/database synonym that can be setup that would be recognized by all databases?
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Dec 26, 2003
Hi i have a sql server instance on my system and it is linking into an oracle database on another server. When i run queries against this other server...it takes forever...
However, when i use access, and link the table and run the same query against the oracle database...it runs immediatly.
I am very confused as to why there would be such a performance difference and why sql server would run so slow.
I am wondering if it has something to do with the way i configured the linked server. there are several options that I didn't know what they meant.
collation compatible (not selected)
Data access (selected)
RPC (not selected)
RPC Out (not selected)
collation name
connection timeout
query timeout
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Aug 29, 2000
Hi all,
I hope someone can help me with linked servers.
In one of my applications running on a MSSQL database, I need to issue a select call to an Oracle database to pull information into my application.
To accomplish this,
1. the ORacle Admin has created a view of the Oracle database for me.
2. I have installed the Oracle client on the SQl server box.
3. A friend has told me that one way to accomplish this is create a linked server from SQL to use OLE/DB for Oracle to connect to the Oracle database
4. So I create the linked server successfully; create the server login sp_addlinkedsrvlogin successfully
5. When I go to query the database, I get the error below:
Server: Msg 7399, Level 16, State 1, Line 1
OLE DB provider 'MSDAORA' reported an error.
[OLE/DB provider returned message: The Oracle(tm) client and networking components were not found. These components are supplied by Oracle Corporation and are part of the Oracle Version 7.3.3 (or greater) client software installation.
You will be unable to use this provider until these components have been installed.]
Anybody understand this?
Thanks in advance,
Faustina
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Mar 25, 2008
I would like to query a linked server and join that database to my local database. I finally was able to get it to work and I got this query to work:
select * from openquery([hcda-storagesrvlaserfiche], 'select * from toc where parentid=358')
I would like to join one of my tables from my local database to the query. How can I do this? Thanks!
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May 16, 2007
Hi -
I am having an issue trying to get a linked server to work from SQL Server 2000 SP4 to an Oracle 10.1 database. This server runs Windows 2003 Server.
I had first installed the Oracle client 10.2 on the server and was able to access the Oracle db using the client.
However - when I set up the linked server on SQL Server - and click the "Tables" underneath the linked server - I get the following error.
OLE DB Provider reported an error.
OLE DB error trace [OLE/DB Provider 'MSDAORA' IDBInitialize::Initialize returned]
I uninstalled the 10.2 client and put the Oracle 9i client on the server (on a suggestion from a SQL Server DBA to put an earlier client on the server) - still able to connect using the Oracle client - but not via SQL Server.
I have checked to make sure the MSDAORA.dll is registered. I have also checked that the account that SQL Server starts under has proper permissions to the Oracle folders (that login has admin permissions on the server).
I have named the Linked Server the same name as the service name in tsanames.ora.
I'm at a loss - any ideas? Help - i'm tearing my hair out here.
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Apr 19, 2004
I need help setting up replication between my SQL Server (data warehouse) database and a linked informix database.
Does anyone know the best to accomplish this. I can provide any additional information you require to help you, help me ;-)
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Nov 24, 2014
I'm having a few issues trying to get a linked server setup from a new SQL2012 installation to a Lotus Notes database. This linked server has previously been working fine on our old SQL2005 environment. All setup using the same details (ODBC driver name matches, account details etc). If we test the connection from the Lotus ODBC driver the test connection is successful, If I then create the Linked server to access this ODBC driver I receive an error :
Cannot initialize the data source object OLE DB Provider "MSDASQL" for linked server "LotusTest"
OLE DB provider "MSDASQL" for linked server "LotusTest" returned message "[Microsoft][ODBC Driver Manager] Driver's SQLSetAttr failed"
OLE DB provider "MSDASQL" for linked server "LotusTest" returned message "[Lotus][ODBC Lotus Notes]
Unable to find path to server. check your network connection is working.(Microsoft SQL Server, Error: 7303)We have just migrated to a SQL Server 2012 64 bit Enterprise from SQL Server 2005 32 bit Standard. We have a 64 bit Lotus client installed to provide the correct ODBC driver which has enabled the test connection direct from the ODBC driver to connect successfully. I'm just at a loss as to how to resolve this issue and get the linked server connecting.
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Oct 21, 2006
Hi,
I have setup a linked server to a DB2 database using "Microsoft OLE DB Provider for ODBC Drivers",
the connections works fine i am able to run select queries.
but the number of rows returned from the two following statements are different.
select * from linkedserver...tablename
select count(*) from linkedserver...tablename
e.g. The First statement returns 116 rows, whereas the second query returns count as 144....
I am a bit confused ?????
could anybody think of any possible reasons..
Cheers
ARAW012
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May 8, 2006
I have been unable to get my linked server to work when running queries against it in SQL Server 2005.
Example SQL Statement on my SQL 2005 server that I'm trying to run:
select top 100 * from [linkedservername].databsename.dbo.tablename
Error Message:
Msg 7416, Level 16, State 1, Line 1
Access to the remote server is denied because no login-mapping exists.
Print screen of the security properties of my SQL 2005 Linked Server:
http://www.webfound.net/linkedserver.jpg
The user sqladmin definitely has the right permissions to the right databases on the target linked server.
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Mar 25, 2002
Hi ,
On my Desktop i registered Production Server in Enterprise Manager
on that Server if i go to SecurityLinked Servers
There is another Server is already mapped, when i am trying to see the Tables under that one of the
Linked Server i am getting the Error message saying that
"Error 17 SQL Server does not exist or access denied"
if i went to Production Server location and if i try to see the tables i am able to see properly, no problems
why i am not able to see from my Desk top
i am using the sa user while mapping the Production Server on my DESKTOP using (ENTERPRISE MANAGER)
And i check the Client Network Utility in the Alias using Named Pipe only, i changed to TCP/IP still same problem
What might the Problem how can i see the Tables in Linked Server from my DESKTOP
Thanks
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Nov 10, 2014
I'm trying to find a way to insert data from a TableA on ServerA into TableB on ServerB using SSIS in Visual Studio.
The specification I was given is basically
Insert INTO TableB AS (Select * from TableA WHERE NOT EXISTS on TableB).
I can't use a linked server unfortunately.
I wonder if it possible to move data from tables on a linked server to a "normal database"? What am I doing wrong?
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Apr 16, 2007
Hi,We have 2 servers. Server1 is a 2000 box, with SP3 (yes I know it isnot up to date). Server2 is a 2005 box, SP2.I set up Server1 (2000) to have a linked server to Server2 (2005). Thereason I did this is because we are using a stored procedure onServer2 to send mail, as we have found that using mail on 2000 doesn'talways work as advertised.When I set up the linked server on the 2000 box, for security I justset it up to use a SQL Server user on the 2005 box. The SQL Serveruser on the 2005 box has permissions to run the stored procedure forsending mail.Here's the weird thing though. When calling the stored procedure onthe 2005 box from the 2000 box, sometimes we get an error that "Thedefault database cannot be opened", and the query does not run on the2005 box. However, it only happens *sometimes*. Other times, the queryruns fine.Since the problem seeemed to be with the default database, I changedthe SQL Server user on 2005 default database to the SAME database thatcontains the stored procedure.However, I just don't understand why it's even TRYING to open thedefault database, since when we called the linked server we are doingso as, and it's referencing the default database in the name:EXEC Server2.DefaultDatabase.dbo.StoredProcedureNameHowever, after changing the user's default database to"DefaultDatabase" as shown above, the query runs fine.Why are we having this problem? That is, if I change the defaultdatabase to something other than "DefaultDatabase", then the querydoesn't run, even though the database name is referenced in the abovequery??Obviously, this is not desireable, because that means we can only runqueries that are in "DefaultDatabase", which may not always be thecase.Thanks much
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