Linked server allows operation to multiple server as one query.

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Help with SQL Server Error “ad Hoc access to OLE DB Provider 'Microsoft.ACE.OLEDB.12.0'”

So we have an interesting issue where users are receiving the following error when attempting to query a view in SQL Server 2008 R2: Msg 7415, Level 16, State 1, Line 1 Ad hoc access to OLE DB ...
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60 views

Problem with EXEC MyLinkedServer…sp_executesql within transaction

I rather clueless about this so any help is appreciated. We have got a stored procedure that is running within a transaction. The stored procedure is called from a .NET program (via normal ADO.NET). ...
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1answer
71 views

Stored Procedure slower on one server than the other

I have a stored procedure that I've been testing on two different servers and it runs slower on the server with more memory and I can't figure out why. Setup 1 is my virtual environment, ...
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5 views

Linked Server from SQL Server 2008 to Oracle not working

I have tried to make a linked server from SQL server 2008 to Oracle Server. I have successfully made a Linked Server from another machine to that oracle server but the one I'm making on my machine ...
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36 views

Querying system tables from Linked Server

I am trying to query the syspublications table on Linked Server A from Server B. Both servers are running SQL Server 2012. Using this simple query on Server B: SELECT a.dest_table FROM ...
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1answer
275 views

Security for Oracle linked server from SQL Server

I'm trying to make the linked server from SQL Server 2005 to Oracle more secure by not having user/pass on "Be made using this security context:" fields so only a specific user can access the data ...
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1answer
48 views

Best way to transfer a few tables from reserve server to production

We have two MS SQL Servers (2012 Standard Edition on Windows 2012 Server) which are located in the same subnet. One is production server. Another is reserve server. Currently there is a ...
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1answer
1k views

Cannot create an instance of OLE DB provider “OraOLEDB.Oracle” for linked server

i am having a bit of a linked server problem . I created a sql server linked server and it's been working fine for last 2 years and suddenly not working . SQL Server Microsoft SQL Server 2005 - ...
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513 views

SQL Server 2012 linked server to SQL Server 2000

I am trying to select through an linked server from SQL Server 2012 to SQL Server 2000. The linked server has been setup and I can browser the target database through the linked server which ...
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1answer
53 views

Migration query taking time

I'm doing a migration from Oracle to SQL Server and, for one of the tables where we have 3 million records, it is taking a lot of time to complete. When I check the activity monitor, I can see the a ...
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3answers
106 views

How to query from a linked server via a linked server in sql server?

I have the following set-up: SQL-Server 1 --linked--> SQL-Server 2 --linked-> SQL-Server 3 The question is can I query SQL Server 3 from SQL Server 1 via SQL Server 2? I have ...
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1answer
51 views

Remote linked servers

I have a SQL Server 2008R2, and I want to connect remotely to a SQL Server 2012SP1, for which I am given: IP: 12.34.56.78 Login: john Password: pw1 Database: TESTDB Table: test_table The remote ...
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50 views

Intermittent errors when calling stored procedures with linked server references from SQL Agent jobs

Environment: Windows Server 2008 Standard without Hyper-V Service Pack 2 - 64 bit SQL Server Enterprise 2008 R2 SP2 - 10.50.4000.0 - 64 bit Problem: I am receiving intermittent failures from ...
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1answer
841 views

MySQL - run SELECT statement on another server without defining the table structure

In MySQL I can query information on another server using federated tables, as long as I've defined the same table structure locally. In MS SQL Server, however, I can run any SQL statement against a ...
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1answer
108 views

Error updating zoned field from SQL Server stored procedure linked server to iSeries

I'm trying to update a table on an iSeries (AS400) within a SQL Server stored procedure using linked server, but it is failing when trying to update a column defined as zoned. In my stored ...
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27 views

SQL Server, firewall and linked servers

I have: SQL Server 2008R2 database server in my LAN and under my control (call it LOCALSQL) remote SQL Server, on which I have much less control (call it REMOTESQL), for which I only have IP, ...
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1answer
102 views

SQL Server - linked Oracle server: EXECUTE permission denied on 'xp_prop_oledb_provider'

Inside of our SQL Server, we have created a linked server to an Oracle server. We ave mapped several users to the Oracle server and specified the credentials. On the Linked Server 'Security' ...
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1answer
50 views

How to add a linked server to a sql server management studio?

I have an account in sql server management studio, which I can login to database B, which is on server X. I also have a crystal report on my local PC. Using the crystal report, I can access a ...
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1answer
192 views

Auditing access to a linked server

I have a linked server with SQL Server configured with the security option "For a login not defined in the above list, connections will: Be made using the login's current security context". What I ...
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1answer
57 views

SQL Server 2008 R2 - Access Failure in a query that uses Linked server

We have 2 SQL Server 2008 R2 machines. A user is running a query on Server A that joins a table in Server B. In the query he is using linked server to point Server B. User has access to Server B ...
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1answer
114 views

SQL Server: Using 4 part identifiers when database may be on the same server

In my client's setup, the database servers in lower environments are all on one server for cost saving purposes, but in higher environments, these databases are deployed on separate servers, and ...
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1answer
61 views

Linked Server using ODBC too slow

The scenario is that developers used a linked server object on ServerM to reach ServerST. This linked server was setup as a "SQL Server" type using a domain login that exists as a login on ServerST. ...
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1answer
58 views

Linked Server and MSDTC on cluster

I'm trying to set up a linked server between two instances we have on our network. I've done this many times before without an issue, but this time I repeatedly get the following error: OLE DB ...
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26 views

Migrate Linked Server Connections

I am getting ready to migrate a DB from one server to a new machine...but were wondering if there is an easy way to migrate those connections over as well...we have about 6-7 linked servers set up to ...
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2answers
75 views

How secure is a linked server in SQL Server

I am in a situation in which I should doubt everyone (even my developer team and database admin) so I want to Log all the logons made to my server. I have two SQL Servers, say A and B. I want to log ...
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22 views

Access Sql Server Linked Server during Logon Trigger

I am trying to log users logons to my Sql Server (A) in another Sql Server (B, different location physically), but when I try to log in I get the error Login failed ... due to trigger execution and ...
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2answers
5k views

SQL SERVER - Linked Server and query performance

I have a performance problem related to SQL Server/linked servers/views. I hope you can help me understand what is the best way to do what I want =). I have a database K with 3 linked servers ...
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1answer
95 views

Is it dangerous to use Linked Server? (SQL Server 2008)

I wonder what are the security risks in using Linked Server.
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3k views

Linked servers: Transaction context in use by another session

I'm using linked servers to perform some queries in a distributed transaction. It doesn't work in a distributed transaction. I get the following error: Transaction context in use by another ...
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2answers
277 views

Joins between linked servers are dangerous, so can we just load the data into a local table before doing the join?

I was just reading the following article which states that it's a worst practice to do JOINs between two linked servers. The only alternative I can see is to get the necessary data from both linked ...
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97 views

Are these linked server queries susceptible to SQL injection?

I'm using a stored procedure to generate a create table script on the fly based on parameters passed into it. I am validating that the server exists, and then validating if the table exists in the ...
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1answer
637 views

Slow SQL Server query using a DB2 linked server in virtual environment

I have a problem with a slow query which uses a linked server. Let me list out my environment first and I'll get to the issue: Virtual Windows 2003 R2 server (fresh deployments on XenServer 6.1 ...
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1answer
256 views

How to get output from trigger on linked server

Fair warning, I know this isn't the best way to do this, but I'm trying to extend some existing code without needing to do a rewrite. Anyway, I've got two SQL Server 2012 installs, one local in my ...
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89 views

Best Practice For Data Views with Linked Server in SQL Server

In SQL Server, I have to design a View that I can map on a DBML file in order to dynamically retrieve information from the database with multiple conditions to filter. The problem is that I have to ...
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1answer
165 views

Fix Linked Server Without Restarting SQL Server Instance

Problem: Occasionally a nightly job will fail, and when I look into it, it is the result of a query across a linked server failing. But for some reason that query seems to remain 'open' in some way ...
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156 views

Run “USE” with linked server alternatives

I am using SQL server linked servers and find some difficulties while running queries. Below is the actual query. USe testdb SELECT 'Identitiy property OFF' where COLUMNPROPERTY( ...
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29 views

Linked Server Performance Issue in SQL Server 2012 SP1

We are having issues with a job that seems to run for a long time and not seem to complete. The job runs a sproc that calls other sprocs and uses a linked server. The server that the job runs on is ...
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1answer
2k views

“Prelogin failure” when attempting to run stored procedure across linked server

I'm getting the below error when attempting to run a stored proc across a linked server that is going from Microsoft SQL Server 2008 (SP1) - 10.0.2531.0 (X64) to Microsoft SQL Server 2008 (SP2) - ...
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1answer
145 views

Security implications disabling promotion of distributed transaction for linked server

I've a a linked server and I need to run the following statement: INSERT INTO...EXEC linkedserver.sp @parameter Both servers SQL Server 2008R2 SP1. Once I run it I get this error: Msg 7391, ...
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57 views

Execute SQL at different server (with dynamic server name)

I'm using a settings table to configure on which servers a specific kind of data is stored, and I would like to do this as dynamic as possible without having to add the server as a linked server ...
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97 views

Why doesn't this transactional replication post script work? (Works in SSMS and SQLCmd.exe)

I have created a script that creates any missing indexes on replicated indexed views. It gets the index definitions from the publisher (Linkedserver) and applies them to the subscriber. The script ...
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1answer
758 views

Using OPENQUERY to execute a script

I have a SQL Server 2008 instance which I want to use to import data from an Oracle server. I have set up a linked server that works correctly when running simple queries like SELECT * FROM table. ...
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3answers
8k views

How to add linked server SQL Server 2008 R2

I have two SQL Server 2008 located in different cities. I have physical access to one of them and I can exec SQL Server Management Studio there. For second server I have following parameters: ...
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3answers
99 views

SQL Server Facets: “Linked Server” exist but “Registered Server” doesn't - why?

I'd like to monitor multiple SQL Server instances. Something similar to what is described in "Monitor Your SQL Server Linked Server Configurations with Policy Based Management" but instead of using ...
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54 views

Multiple login mappings for linked server

Can we assign two logins for two different databases on target server. For example, I would like to create a Linked Server between ServerA and ServerB. ServerB has two databases on it and both using ...
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1answer
194 views

Loopback Linked Server

Is there any benefit in use a Loopback Linked Server, maybe in a security or performance level, because I really don't get the idea ? I google it for several minutes and I find nothing about it.
3
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1answer
211 views

Inserting a 30 million row table from a linked server

I have a large table that needs to be updated on a nightly basis from a linked server. Initially I had simply truncated the table and inserted all of the records but this was taking too long. I'm ...
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1answer
86 views

Nightly reload of tables from a linked server

I have a number of tables that need to be reloaded nightly from a linked server. My current method of doing this is to create a nightly job to pull the data using something like the following: ...
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1answer
2k views

How can I enable distributed transactions for a linked server?

I have a SQL Server 2012 instance with a linked server pointing to a db2 database on an IBM Iseries system using the System i Access ODBC Driver. I'm trying to enable distributed transactions. I ...
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128 views

Linked Server Has Run Out Of Memory

So I have a stored procedure that calls an AS400 Linked server. Now, the stored procedure will execute successfully. However, it is used in a SQL Agent Job and each time the job runs, it gives the ...