Linked Server To MySQL

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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Linked Server To MYSQL Using OLEDB Provider For MYSQL Cherry

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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Linked Server To MySQL

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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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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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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Configuring Linked Server (mysql)

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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MySQL Linked In SQLServer

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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Query A Linked MySQL Database

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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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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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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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
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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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USE [master]
GO
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GO
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INSERT
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