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Questions tagged [linked-server]

Linked server allows operation to multiple server as one query.

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32
votes
2answers
58k 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 [DestinationLinkedServer].[...
21
votes
3answers
76k 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: ╔══════════╦══════════╗ ║ ...
5
votes
2answers
3k views

Run a PowerShell script on a different server - from inside a SQL Server job

I have a procedure to backup SSAS Databases. That is working as a charm. Now my server is filling up with SSAS backups and I would like to delete the backup files that are older than 2 days. to ...
8
votes
2answers
6k views

Kerberos authentication not working with Linked Servers in SQL Server 2012

I am setting up a DEV/TEST environment using 2 SQL Servers running SQL Server 2012 on Windows Server 2012. We are moving from SQL Server 2005 on Windows Server 2008, where we already have this up-and-...
1
vote
1answer
6k views

routine to backup ssas databases fails with: The XML for Analysis request timed out before it was completed

I have developed my own stored procedure, that through a LINKED SERVER, backups the SSAS databases according to a table value parameter. the code for the stored procedure is below. the problem: it ...
20
votes
2answers
70k views

How can I get my linked server working using Windows authentication?

I'm trying to get a linked server to ServerA created on another server, ServerB using "Be made using the login's current security context" in a domain environment. I read that I'd need to have SPNs ...
13
votes
5answers
14k views

Linked server error not caught by TRY-CATCH

I am setting up a job to loop through a list of linked servers and execute a specific query against each one. I am trying to execute the query inside a TRY-CATCH block so if there's a problem with one ...
10
votes
3answers
12k views

Linked Server Risks

I'm implementing a new feature which requires data from databases on multiple servers. I just need to union data from all these servers and sort it. The two options that come to mind are: Use linked ...
7
votes
2answers
24k 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 L1,L2,...
5
votes
1answer
17k views

Linked Server from SQL Server to SSAS not working - what is missing?

I have a SQL Server 2012 Standard edition sp1 that has ssas also installed. From this server I create a linked server to a ssas server called BIREPLON1, but when I try to access it, I get the error ...
4
votes
2answers
25k views

How to fix “The OLE DB provider ”MSOLAP“ has not been registered”?

Here's the code I'm using to register a linked server to SSAS: USE [master]; GO EXEC master.dbo.sp_addlinkedserver @server = N'ServerAlias', @srvproduct = N'', @provider= N'MSOLAP', @...
1
vote
1answer
702 views

Getting error “String or binary data would be truncated” even for 'text' data type

I have created a linked server (PostgreSQL). When I try to import data from SQL Server to linked server I get the following error: String or binary data would be truncated Even though I am ...
19
votes
5answers
17k 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] ...
5
votes
2answers
61k 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 ...
4
votes
1answer
5k 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 ...
13
votes
5answers
37k views

SQL Server Linked Server performance: Why are remote queries so expensive?

I have two database servers, connected via Linked Servers. Both are SQL Server 2008R2 databases, and the linked server connection is made via a regular "SQL Server" link, using the current login's ...
6
votes
1answer
7k 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, Level ...
4
votes
4answers
3k views

Working Linked Server Query fails in sp_send_dbmail

Take the following example: EXEC msdb.dbo.sp_send_dbmail @recipients = 'me@whatever.co.uk' , @query = 'SELECT TOP 10 * FROM LINKEDSERVERA.DATABASE.dbo.TABLE' , @attach_query_result_as_file = N'True' ...
4
votes
1answer
7k views

Create Linked Server to AlwaysOn Availability Group Listener

I have an alwayson availability group setup using SQL 2014 and Windows Server 2012 R2. There are 3 nodes in the group. The SQL Service is running as a Managed Service account on each node (1 MSA for ...
4
votes
2answers
8k 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 ...
4
votes
2answers
7k views

How do I specify a linked server to a remote database over tcp/ip?

I have a remote database running on an IAAS provider and I need to be able to execute joined queries from my local workstation. I am having trouble because when I attempt to create the link it is ...
7
votes
1answer
5k views

SQL Server --> Informix DB Linked Server

After about 3 days of trying, I am unable to create a linked server from SQL Server 2016 to Informix 11.5. I haven't tried this with other versions (2008R2, etc) since I wanted to set up the ...
7
votes
1answer
15k views

Communication link failure for some queries to linked server

I am seeing the following error in SSMS (server has Windows Server 2008 and Microsoft SQL Server 2008 R2 (RTM) - 10.50.1600.1 installed) when running some queries against the linked server, in ...
6
votes
1answer
4k views

Performance difference between SQL Server Linked Server and direct query

A Management Studio query pane connected directly to a remote sql server executes and displays a simple table query of (SELECT * FROM table) in just under 2 seconds. The same Management Studio but ...
3
votes
4answers
19k 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 session....
27
votes
4answers
7k views

Copying (hundreds of) tables from one server to another (with SSMS)

I have several hundred (currently 466, but ever growing) tables I have to copy from one server to another. I have never had to do this before, so I'm not sure at all on how to approach it. All the ...
8
votes
4answers
13k views

Get @@SERVERNAME from linked server

This seems like a basic question but I can't find any answers out there - I need to be able to get the server name/instance etc. from a linked server. I've tried a couple of things: select <linked ...
4
votes
2answers
7k views

Selecting and Inserting into linked server

I am having a situation with linked server which I am not able to understand. So we have a linked server from a 2008R2 server to a 2014 server. The below sample query is executing from 2008R2 server ...
4
votes
1answer
2k views

Where are queries against a linked server actually processed?

How is a query against a linked server processed? Does the linked server use its optimizer when it receives a query from a remote source? There are a few scenarios about which I'm wondering: Scenario ...
4
votes
3answers
887 views

how to copy data from SQL Server table to excel Spreadsheet thru Linked Servers

I try to copy data from a table in SQL Server 2005 into a excel spreadsheet. Since that sheet is linked to some external charts, so I have to overwrite the existing data with the updated data from SQL ...
2
votes
1answer
595 views

Linked server returned message “Query timeout expired.”

We have two separate SQL Servers. On one server we have a data warehouse (DWH), on the other we have sales information database. Now on the DWH server there is an ETL job that collects the ...
2
votes
1answer
11k 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 key ...
2
votes
1answer
484 views

Deferred Name Resolution for Linked Servers

I need to be able to create stored procedures that point to a linked server where the database does not yet exist on the linked server. The thought process is that the above mentioned stored ...
2
votes
1answer
260 views

How can I reduce OLEDB wait type in a SSAS linked server connection?

I have recently created a linked server to one of my SSAS servers. when I go ahead and open the catalogs, to see which ssas databases I have there, I use the following procedure: create procedure ...
2
votes
1answer
871 views

powershell problem when running on a remote server - access is denied

as a follow up from this question below: Run a PowerShell script on a different server - from inside a SQL Server job there you can see that for me tu run a powershell script from inside a sql ...
2
votes
0answers
271 views

security concerns over enabling data access for the current server

Included in the code of the creation of some stored procedures, I have the enabling of data access as you can see below. BEGIN TRY PRINT @@SERVERNAME PRINT DB_NAME() PRINT 'enable the ...
1
vote
1answer
5k views

Using INSERT INTO…EXEC AT linked server into temp table fails with Msg 7391

I am using SQL Server 2014. I want to execute EXEC (@remotecmd) AT [server_name]; (@remotecmd is a dynamic sql not a stored procedure) into ##eapb. My code is insert into ##eapb EXEC (@remotecmd) AT [...
1
vote
0answers
3k views

EXECUTE AS over Linked Servers

I have a front end that logs into the DB as "logInA", and only has permission to "schemaA" stored procs, which use EXECUTE AS "logInB", (I have also tried EXECUTE AS 'DBO'), to handle all the business ...
1
vote
1answer
1k views

Updating a row through Linked Server to MySQL DB

I'm trying to update a single row using linked server from MS SQL 2012 to MySQL DB. I run this query: UPDATE b2b...product set [index]=`test_value` where id=12345; Error Message: The OLE DB ...
1
vote
1answer
8k 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 ...
1
vote
3answers
3k views

Space used by databases file through linked server

I need to find out space used by database file for multiple databases through linked server(from one central server to multiple client SQL servers). I created view on client size, for all databases: ...
0
votes
1answer
1k views

Extracting data from SQL Server linked server

I am using MS SQL Server 2012, and I am trying to extract data from a Linked Server database. In SQL Server management studio, I can see the linked server. I can browse the database on the server. I ...
0
votes
1answer
7k views

How can I install a provider for linked server?

I have a provider for a linked server called PervasiveOLEDB.11.0 installed on a sql server 2005 machine. It always me to have a connection to a pervasive sql database. I would like to use this same ...