Question

SQL Server 2008 Linked Server To FoxPro files

Asked by: prices1964

Hi
I am trying to set up  linked server in SQL server 2008 (x86 32 bit) to a folder of FoxPro files. I have downloaded and installed the FoxPro OLE DB driver and tested it by using it in VS .Net 2008. However, after creating a linked server with the following command
EXEC sp_addlinkedserver
@server='VFP',
@provider='VFPOLEDB',
@datasrc='c:\dev\taxisystem\db',
@srvproduct='Visual FoxPro'
I get the following erro when I try and query data
The OLE DB provider "VFPOLEDB" has not been registered. (Microsoft SQL Server, Error: 7403)
The account SQL Server is running under has ful  access to the data folder
Any help appreciated
Thanks
Steve

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Asked On
2009-10-02 at 15:26:49ID24781735
Topics

dBase

,

SQL Server 2008

,

FoxPro Database

Participating Experts
2
Points
500
Comments
9

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Answers

 

by: prices1964Posted on 2009-10-02 at 15:28:04ID: 25482797

.. I am running Vista 64 bit

 

by: CaptainCyrilPosted on 2009-10-03 at 03:35:50ID: 25484692

I am not sure if it even works in 64-bit Vista!

 

by: prices1964Posted on 2009-10-03 at 07:27:06ID: 25485498

I have also tried installing it on Windows Server 2003 using SQL Server 2005 , both 32 bit , and it does not show up as a provider when adding a new linked server there either

 

by: pcelbaPosted on 2009-10-04 at 13:14:44ID: 25490696

I am also not sure why it does not work for you (planning to test this configuration soon), but you could try @provider='VFPOLEDB.1' or to establish Linked server via UI in SQL Management studio.

Another attempt would be to install VFP ODBC driver and use it via OLE DB provider for ODBC drivers (I think it is called MSDASQL).

 

by: prices1964Posted on 2009-10-04 at 13:36:47ID: 25490816

Hi

I now have the provider installed OK but when I set up the link server and try and view the tables I get the error below, I have cheeked the folder name and even removed all the DBF files but still get the error. I can use the provider in C# to view the tables so its installed OK

Steve


The OLE DB provider "VFPOLEDB" for linked server "VFP6" reported an error. The provider did not give any information about the error.
Cannot obtain the schema rowset "DBSCHEMA_TABLES" for OLE DB provider "VFPOLEDB" for linked server "VFP6". The provider supports the interface, but returns a failure code when it is used. (.Net SqlClient Data Provider)

 

by: pcelbaPosted on 2009-10-05 at 14:13:42ID: 25499838

My VFP linked server is defined as described in attached code snippet and works fine.

If you have specific problem you should post command which caused this problem. It will allow to reproduce errors in our environment.

But it seems you've fixed many problems from your other posts. Please close questions which are answered or obsolete (like this one probably). 

/****** Object:  LinkedServer [FOX]    Script Date: 10/05/2009 23:04:29 ******/
EXEC master.dbo.sp_addlinkedserver @server = N'FOX2', @provider=N'VFPOLEDB', @datasrc=N'd:\LinkFox\'
 /* For security reasons the linked server remote logins password is changed with ######## */
EXEC master.dbo.sp_addlinkedsrvlogin @rmtsrvname=N'FOX',@useself=N'False',@locallogin=NULL,@rmtuser=NULL,@rmtpassword=NULL
 
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'collation compatible', @optvalue=N'true'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'data access', @optvalue=N'true'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'dist', @optvalue=N'false'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'pub', @optvalue=N'false'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'rpc', @optvalue=N'true'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'rpc out', @optvalue=N'true'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'sub', @optvalue=N'false'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'connect timeout', @optvalue=N'0'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'collation name', @optvalue=null
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'lazy schema validation', @optvalue=N'false'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'query timeout', @optvalue=N'0'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'use remote collation', @optvalue=N'false'
GO
 
EXEC master.dbo.sp_serveroption @server=N'FOX', @optname=N'remote proc transaction promotion', @optvalue=N'true'
GO
                                              
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by: prices1964Posted on 2009-10-05 at 14:27:09ID: 31636632

thanks

 

by: prices1964Posted on 2009-10-05 at 14:46:42ID: 25500123

Hi

Thanks for the help and I have now closed my other questions.

My issue is now how to speed up my queries. I have made the changes above but a one-to-many query across 2 tables of 5,000 and 120,000 rows which selects a single row from the first table and 30 from the second takes 10 seconds. Is there anything in term of index setup etc that may  help

Steve

Query

select *
from TAXI...Accounts b,TAXI...Work b
WHERE a.account='TC0763' and a.account=b.ref

 

by: pcelbaPosted on 2009-10-05 at 14:59:07ID: 25500240

Table Accounts:
Index on column account must exist

Table Work:
Index on column ref must exist

Then the query should work much faster.

20120131-EE-VQP-002

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