Linked server allows operation to multiple server as one query.

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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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107 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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9k 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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143 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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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
332 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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176 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
968 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
428 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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363 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
783 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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1k 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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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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944 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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115 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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1answer
3k 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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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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155 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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1answer
810 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.
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1answer
550 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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141 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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2answers
245 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 ...
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1answer
2k views

Insert to SQL Azure through Linked Server very slow

I have a table on SQL Asure server with no indexes except clustered. And I insert into this table small amount of data just about 1000 rows and it takes more than 4 minutes. Although, when I do it ...
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5k views

Why do linked servers have a limitation of 10 branches in a CASE expression?

Why does this CASE expression: SELECT CASE column WHEN 'a' THEN '1' WHEN 'b' THEN '2' ... c -> i WHEN 'j' THEN '10' WHEN 'k' THEN '11' END [col] ...
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1answer
361 views

Linked Server - login trying to access database that is not default

Trying to create a linked server from server A (2005) to B (2008 R2). Everything worked when created. The login on server B was mapped to two databases: DataBase1 and Database2. Database1 was the ...
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289 views

linked server hanging

We've been using a linked server to an access database for close to a year now with little issue. Now when I run a select query against the linked server the query sits there and never finishes. ...
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641 views

SQL Server 2012 CPU spike due to LinkedServer - how to find the offending query?

As part of another question (SQL Server 2012 performance issues (maybe due to linked server)) I've identified a CPU spike to be directly related to a spike in Bytes Received, which leads me to believe ...
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83 views

How to disable data type check while pushing data to Linked Server

I have two SQL serves one is SQL server 2005 and other SQL server 2008.I push data from SQL server 2005 to SQL server 2008 using Linked Server.I want to improve performance of data transfer. Few days ...
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SQL Server 2012 performance issues (maybe due to linked server) [closed]

Summary of the problem We've spit our one database server environment into two servers. We are now having intermittent performance issues I am hoping someone can offer clues - perhaps direction ...
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256 views

SQL Link Connection OLE DB provider Query Execution Failed

I have created linked connection in SQL and by which I am connecting Oracle server using OLE DB provider "OraOLEDB.Oracle". SQL Server = 2008 R2 Oracle = 10g Normally, When I am executing Insert or ...
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624 views

How to run stored procedure in another database on the same server using a different login?

I have 2 databases (A and B) on the same server. Database A has user ua defined, and database B has user ub defined. I have a stored procedure in A, running as ua, that needs to run a stored ...
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1answer
2k views

Why does SQL Server fail to create a procedure referencing a linked server?

Red Gate Deployment Manager (RGDM) today failed with a "login failed" error even though it had administrative control of the target server: 2013-11-04 17:13:22 +00:00 INFO Creating ...
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1answer
3k views

SQL Server 2012 Service Master Key Regenerate

I have a new SQL Server 2012 instance and when I run the following command I get an error. ALTER SERVICE MASTER KEY REGENERATE Error: Msg 15329, Level 16, State 1, Line 1 The current master ...
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778 views

Update Sql Server from Mysql

We have a website that stores form data in a web hosted MySQL database. Whenever form data is entered into the MySQL server tables I need update all necessary tables on our local SQL Server database. ...
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Link server does not work in a particular terminal server [duplicate]

We set up a link server from A to B. And we added several AD accounts to the security of link server on A. Also those users have proper permissions in dbs on B. It works perfectly if I selected ...
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remote query bloats tempdb [closed]

I have someone who retrieves data from a linked server to a new table as following: * newly edited - turns out there's multiple queries executed * select * into dbDestination.dbo.tableDestination ...
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1k views

SQL Linked Server Passing Date Parameters

I'm using SQL Server 2008 R2 and have a linked SQL 2012 Express database. On the 2008 box I am creating a stored procedure to be used in a report. I am wanting to pass a date variable so the user ...
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1answer
2k views

How does one query a SQL Server Linked Server when SQL Server Authentication is specified?

I have established a linked server and am attempting to query a database to which I have a SQL Server username and password, however I can't find the syntax for specifying the userid/pw in the query ...
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2k views

Sql Server 2008 x64 ODBC Linked Server to Oracle Not Working

I have an install of Sql Server 2008 x64, installed on two boxes. One is a Win 7 x64 workstation (Sql Server 2008 x64 SP2 developer edition), the other is a Windows Server 2003 x64 (Sql Server 2008 ...
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The OLE DB provider “SQLNCLI” for linked server X reported a change in schema version between compile time X and run time X for table [tablename]

The below error starts happening once a week at the same time every week. The OLE DB provider "SQLNCLI" for linked server X reported a change in schema version between compile time X and run time X ...
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218 views

Linked server query in profiler

I was profiling a DB for queries against it but have noticed that when a table in the DB is accessed through a linked server this does not show in profiler. Can anyone advise on why this is or what ...
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319 views

DELETE query against a linked server issues error

I have a query that is part of a bigger process, and runs against a linked server. The code is like this: DELETE FROM [LinkServerIP].[Database].[dbo].[TableName] WHERE NOT EXISTS ( SELECT * ...
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3answers
5k views

SQL Server update query on linked server causing remote scan

I have a SQL Server 2012 setup as a linked server on a SQL Server 2008 server. The following queries executes in less than 1 second: SELECT kg.IdGarment FROM Products p INNER JOIN ...
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917 views

Linked server error when querying one table

I am running 2 queries using the same linked server. SELECT * FROM [SERVER].[Customer].[dbo].[ccr_AxCust1] SELECT * FROM [SERVER].[Customer].[dbo].[ccr_AxCust2] For Query 1 this returns results ...
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905 views

Push Data from MySQL to SQL Server

I am not sure if my title is correct, but I will try my best to explain the current problem. Current Scenario: I have a php web application with MySQL database (let's call it DB1) which is stored ...
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3answers
18k views

Pivot rows into multiple columns

I have a SQL Server instance that has a linked server to an Oracle server. There is a table on the Oracle server called PersonOptions which contains the following data: ╔══════════╦══════════╗ ║ ...
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2answers
19k views

Which one is more efficient: select from linked server or insert into linked server?

Suppose I have to export data from one server to another (through linked servers). Which statement will be more efficient? Executing in source server: INSERT INTO ...
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4answers
10k views

How can I query data from a linked server, and pass it parameters to filter by?

I have a really big query that needs to be run on multiple databases, and the results appended to a temp table and returned. The basic syntax looks something like this: INSERT INTO #tmpTable (Id, ...
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2answers
826 views

Stored Procedure against Linked Server

We have an AX server that we would like a group of users to be able to retrieve data from but limit their access to just the data needed. Normally this could be done with a stored procedure and give ...
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12k views

Linked server available to users without permissions

I have users seeing a linked server which they are not supposed to see. The linked server is defined so that only I will have access to it, but everybody can see and use it. I have created the ...