ADSI LDAP Query 1000 Record Limit For MSSQLServer Linked Server
Jul 23, 2005
Hi,
I have successfully set and used a linked server to query ADSI.
Since this question also concerns MSSQLServer, I've cross posted it --
I hope this is not a breach of etiquette.
I have successly created a view based on the linked server.
Unfortunately, it only shows 1000 records, and there does not seem to
be any way to set the Page Size.
I found the following:
http://support.microsoft.com/defaul...kb;en-us;243281
Which seems to imply that the default can be set by changing registry
key: "HKEY_CURRENT_USERSoftwarePoliciesMicrosoftWind owsDirectory
UI"
I have set this key, and also set it for the user account under which
MSSQLServer runs. The value persists after a reboot. The Domain Group
policy sets the default to 15000.
This behaviour is not restricted to the linked server. If I use the
script found here:http://hacks.oreilly.com/pub/h/1121 I can access more
than 1000 records, but only if I set the "Page Size" property. If I
comment it out to let the default hold, it is 1000.
It must be settable SOMEWHERE or the whole linked server thing is of
very limited use.
At present, the best solution I've been able to come up with is to use
the above script modified to run as a DTS package. Yuck.
TIA,
BM
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May 16, 2007
I am trying to get members of an Active Directory group by querying the AD server from Transact-SQL (SQL Server 2005). Although there does not seem to be any written list of LDAP attributes that can be queried in AD (or I am not finding it), I have gotten this far:
SELECT * FROM
OPENQUERY( MYSERVER,
'SELECT cn, msExchHomeServerName, userPrincipalName FROM ''LDAP://CN=Users,DC=MYSERVER,DC=COM'' WHERE userPrincipalName=''*'' ')
This gives me a user list. But I can't find the syntax or attribute name(s) to query in order to get the membership of a specific group - for example, the group "SQL_Developers".
Anybody out there familiar enough with LDAP, AD and OPENQUERY() to give me a hand?
Thanks....
Tom
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Jun 17, 2014
Is there a way to query the LDAP from inside the CMS? I know I can add a linked server in a singular instance but I'd like to do it inside a server group. I haven't found anything so far about querying the LDAP inside a server group so it might not be possible?
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Nov 22, 2006
Dear friens,
I'm having a problem with ADSI and SQL... Could you tell me, where is the error? The problem surge when I try to use parameter€¦
"
CREATE PROCEDURE TEST
AS
DECLARE @charVariable nvarchar(11);
DECLARE @SQLString NVARCHAR(500);
DECLARE @ParmDefinition NVARCHAR(500);
/* Build the SQL string one time. */
SET @SQLString = N'SELECT * FROM OPENQUERY(ADSI,''SELECT * FROM ''''LDAP://DC=GrupoCGD,DC=com'''' WHERE objectClass = ''''user'''' AND sAMAccountName=@UserID'')'
/* Specify the parameter format one time. */
SET @ParmDefinition = N'@UserID varchar(11)';
/* Execute the string with the first parameter value. */
SET @charVariable = 'rhs0002';
EXECUTE sp_executesql @SQLString, @ParmDefinition,
@userID = @charVariable;
"
ERROR is:
Msg 7321, Level 16, State 2, Line 1
An error occurred while preparing the query "SELECT * FROM 'LDAP://DC=GrupoCGD,DC=com' WHERE objectClass = 'user' AND sAMAccountName=@UserID" for execution against OLE DB provider "ADSDSOObject" for linked server "ADSI".
FOR EXAMPLE THIS VIEW WORKS€¦
USE [dbGestaoDesktop]
GO
/****** Object: View [dbo].[AD_VW_DIR_Users] Script Date: 11/22/2006 11:53:13 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE VIEW [dbo].[AD_VW_DIR_Users]
AS
SELECT TOP (100) PERCENT cn, createTimeStamp,department, extensionAttribute1
FROM OPENQUERY(ADSI, '
SELECT createTimeStamp,cn, department, extensionAttribute1
FROM ''LDAP://OU=DSO,OU=Utilizadores,OU=Servicos-Centrais,OU=cgd,DC=GrupoCGD,DC=com''
WHERE objectclass=''user''
')
AS MyTable
WHERE (NOT (cn IS NULL))
ORDER BY createTimeStamp
THANKS
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May 8, 2015
How to write a query that can insert over 1000,0000 dummy records in the fastest way? My current query is
 DECLARE @d DateTIme = GETDATE()
 DECLARE @c INT = 1
WHILE @c <= 5 BEGIN
INSERT INTO MyTable VALUES (NEWID(),'PREFIX' + RIGHT('0000000000'+ (CAST(@c AS VARCHAR)), 10), DATEADD(MINUTE,@c,@d), FLOOR(RAND()*3), FLOOR(RAND()*2), 'INFO')
  SET @c = @c + 1
END
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Apr 14, 2006
I thought I was successful in linking SQL to a Third Party LDAP in the past, but I cannot get it to work now. It has been about 2 years ago I played with this. The LDAP does require authentication and I think that is where the problem lies, but if anyone can tell me if there is a way to do this and what the steps are I would greatly appreciate it.
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Oct 29, 2015
I have configured a Linked Server with Active Directory (LDAP), working properly.
Now, through this Linked Server, I need information about password expiration date in my AD Domain accounts.
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Dec 12, 2006
This is something that should not be so difficult, but it is proving to be very cumbersome.
I need to query an LDAP database on a Linux server FROM a sql server, namely sql server 2005.
I have found bits and pieces, but can€™t seem to put it all together yet €“ it should be easy, but it€™s proving to be very difficult.
It seems like you can either link an LDAP server through sp_addlinkedserver OR through enterprise manager/sql server studio, you can create a LINKED SERVER.
The problem is HOW to do this.
Here are the parameters for the ldap server:
Server name: serverabc
Ldap info (which I don€™t know how to label) is: 'ou=Hosts,dc=mc,dc=vanderbilt,dc=edu'.
I was able to somehow get this to work last week, but now it€™s not working - it didn't return any data, as i don't have any ldap hierarchy specified, but at least it came back with "command completed successfully":
SELECT * FROM OPENQUERY( [serverabc],
'SELECT * FROM ''LDAP://serverabcu/ OU=Hosts,DC=mc,DC=vanderbilt,DC=edu''
')
With all the ldap usage out there, this is really frustrating not being able to find out how to do this.
Any help is greatly appreciated.
Thanks
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Jan 14, 2008
Ok, so I have a primary table that contains the count of a linked table. Since I can let the identity update itself, I should be able to insert the same values into the linked child table.
I need to put the same record in the child table 1000 (that's an arbitrary number, this will be programatically determined by the user) times.
I understand that I can do this:
INSERT INTO SomeTable (Cols) VALUES (vals)
GO 1000
However, I can't make this work when doing an ADO.NET ExecuteCmd. It doesn't like the Go 1000 part of it.
Does anyone have an idea how I can do this VERY QUICKLY without having to execute a separate insert for every item (or batch them)?
The number could be as high as 250,000 in the child table.
Thanks!
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Feb 11, 2015
I have a sql snippet from a 3rd party application that will not complete its transaction. The SELECT statement executes but does not finish. Instead the statement just sits in AWAITING COMMAND for 1000 seconds then dies, thus killing the UPDATE statement that is supposed to follow.
The CROSS JOIN and CROSS APPLY seem suspect.
(
@p0 DATETIME,
@p1 INT,
@p2 INT,
@p3 NVARCHAR(4000),
@p4 INT,
[code]....
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Jul 23, 2005
I am about to start working on a project where I would be required todynamically create linked servers during the execution of anapplication. One of the requirements is for the Link Servers to becreated and dropped before and after the retrieval of the data. Myquestion is about any type of cap on the number of linked servers SQLServer 2000 can have registered at any single time. If I find out thatthere is some type of cap, I would need to look into another way todeal with my linked server needs. Thanks for any help/information youmight be able to provide.
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Aug 11, 2004
I have a linked server set up and working correctly. I can create a query to get all the users from active directory with something like this:
SELECT [name], [samaccountname] from OpenQuery( ADSI,
'SELECT name, samaccountname FROM ''LDAP://DC=domain,DC=com'' WHERE objectClass = ''user'' and objectCategory=''Person''')
Now I am trying to select all the users in a specifed security group, but I am not having much luck. What is the best way to get this?
Thanks much.
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Jan 24, 2007
I'm trying to query an LDAP server from a stored procedure written for the CLR but not getting the expected results.
The code is as follows:
<Microsoft.SqlServer.Server.SqlProcedure()> _
Public Shared Sub LDAP_UserExists(<Out()> ByRef exists As Boolean, ByVal username As SqlString)
Dim adspath As New StringBuilder()
adspath.Append(LDAP://[.......]/ou=Members/cn=)
adspath.Append(username)
If username.ToString().Length > 0 Then
Dim uobject As New DirectoryEntry(adspath.ToString(), "", "", System.DirectoryServices.AuthenticationTypes.Anonymous)
If Not (uobject Is Nothing) Then
exists = True
Else
exists = False
End If
End If
End Sub
The same code works fine from an ASP.NET. If I deploy the code and execute it with
exec LDAP_UserExists 'username'
I receive the error
Error converting data type varchar to bit.
And if I right-click and select "Execute Stored Procedure..." I receive @exists = 1 and Return Value = 0, regardless of the value I pass in as the username parameter.
Given that the same code works correctly on the ASP.NET page I suspect that this error has something to do with the <out()> parameter in the stored procedure declaration.
Can anyone suggest the correct method of performing this query?
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Jan 29, 2005
hi everybody,
Beside top statement what is the best statement used to limit the display the data?
Thanks...
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Apr 19, 2004
Quick question, is there a record limit in MSSQL assuming that we don't use a identity key. I am going to be using a table to sava mail server logs. It will create about 5000 records a minute. Also are there any perfomrance issues once you reach a certain numberof records, assuiming i am indexing one of the columns.
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Apr 28, 2004
I know you can access LDAP via ADO.NET and the ADsDSOObject Provider.
Is there away to do it within a SQL Server Stored Procedure?
Thanks,
Tim
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Aug 4, 2006
Hello I am trying to run a query via tsql against ad. Below is the error I am getting. I have read the http://msdn2.microsoft.com/en-US/library/ms190803.aspx and changed the domain but still having issues. Any help would be appreciated.
EXEC sp_addlinkedserver 'ADSI', 'Active Directory Service Interfaces',
'ADSDSOObject', 'adsdatasource'
GO
SELECT *
FROM OPENQUERY( ADSI,
'SELECT Name, SN, ST
FROM ''LDAP://ADSISrv/ OU=Users,DC=XXXXX,DC=LOCAL''
WHERE objectCategory = ''Person'' AND
objectClass = ''user''')
Msg 7321, Level 16, State 2, Line 1
An error occurred while preparing the query "SELECT Name, SN, ST
FROM 'LDAP://ADSISrv/ OU=Users,DC=XXXXX,DC=LOCAL'
WHERE objectCategory = 'Person' AND
objectClass = 'user'" for execution against OLE DB provider "ADSDSOObject" for linked server "ADSI".
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Nov 6, 2015
I currently have an ldap query in a stored procedure that is working fine but is checking the 'whenCreated' attribute against a hardcoded data.
SELECT * FROM OpenQuery (
 ADSI, Â
 'SELECT whenCreated,
 whenChanged,
 telephoneNumber,
[Code] .....
How can I modify the hardcoded date (''20130101000000.0Z'') to check against current_date - 7 days?
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Aug 20, 2015
Is it possible to use a parameter in a ldap query using the ADsDSOObject provider? I keep getting an error "The ICommandWithParameters interface is not supported by the "ADSDSOObject" provider". Command parameters are unsupported with the current provider.
I don't have a linked server on my DB server to Active Directory so I'm just querying in the SSRS report design. Here is my query for my dataset. If I hard code an example it works. Just doesn't work when I pass a parameter. I've tried making it an expression (= sign), Tried several syntax's, Tried everything I can think of. Is this possible? or do I just need to push for a linked server?
="SELECT sAMAccountName, displayName, distinguishedName " +
"FROM 'LDAP://DC=xxxx,DC=xx,DC=xx,DC=xx,DC=xx,DC=xx' " +
"WHERE objectCategory = 'Person' " +
"AND objectClass = 'user' " +
"AND memberOf = '" + @GlobalGroup + "'"
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Jul 23, 2005
Hi.We need to create a view of our active directory users (we have 2500).I found out that there is max page size of 1000, so we cannot get moredata.Anyone found a solution to that problem?Thanks
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Aug 10, 2007
It seems when I run the query with the set staticts IO on then statistic reports back with the 'work table', and the query takes 30+ sec. if the worktable is ommited(whatever the reason?) the query take less 1 sec.
Here is my take, I believe work table is created in tempdb...and if not then whole query is using the cached page, am I right?
if I am right then the theory is, if I increase the (via sp_configure) server min memory setting and min query memory, the query ought use the cached page and return in less 1 sec. (specially there is absolutely no one but me on the server), so far I can't make it go faster...what setting am I missing to make it run faster?
Another question is if the query can not avoid but use the tempdb, is it going to always be 30 sec+ time? why is tempdb involvement make it go so much slower?
Thanks in for you help in advance
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Oct 2, 2000
Hi,
can anyone tell me how exactly sql server7 interacts with Site Server, LDAP.
I am a sql dba, trying to work with above ones. Anyone pls suggest me any book or material or ur ideas.
Thanks!
--Siva
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May 6, 2015
I have very unusual question. I have seen a query that looks something like this:
SELECT A, B, C FROM 'LDAP://abc.def.com'
What exactly does this mean? Could such a query be executed in the SQL Server Management Studio? Where would such a table/database be actually located?
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Jun 4, 2007
Hello everyone,
We have a custom application that connects remotely to a SQL Server 2000 (SP2) database. We would like our application to validate a user's login against Active Directory.
So far I have been able to get a lookup working, but I can not find documentation on how to validate the password from within SQL Server. I found a lot of notes on using ASP.NET objects, or VB, C#, etc, but for this solution it must be done entirely in SQL. It would also be nice if this were SQL Server 2005; we could just embed the C# code and call it as a SQL stored proc, but unfortunately we are left with the constraint that we cannot upgrade this DB at this time.
Linked server 'ADSI' is set up with the sp_addlinkedserver command:
EXEC master.dbo.sp_addlinkedserver @server = N'ADSI', @srvproduct=N'Active
Directory Services 2.5', @provider=N'ADsDSOObject', @datasrc=N'adsdatasource'
Two table functions in our test DB (trying to test both ways I've found in docs):
ALTER FUNCTION [dbo].[GetAuthenticatedUserViaLDAP]
(
-- Add the parameters for the function here
@userId nvarchar(50),
@password nvarchar(50)
)
RETURNS TABLE
AS
RETURN
(
-- Add the SELECT statement with parameter references here
SELECT [SAMAccountName], CN [Name], SN [Last Name], ST State
FROM OPENQUERY( ADSI,
'<LDAP://DC=company,DC=com>;((objectClass=user));SAMAccountName,cn,sn,st')
WHERE [SAMAccountName] = @userId
)
ALTER FUNCTION [dbo].[GetAuthenticatedUser]
(
-- Add the parameters for the function here
@userId nvarchar(50),
@password nvarchar(50)
)
RETURNS TABLE
AS
RETURN
(
-- Add the SELECT statement with parameter references here
SELECT [SAMAccountName], [Name], SN [Last Name], ST State
FROM OPENQUERY( ADSI,
'SELECT SAMAccountName, Name, SN, ST
FROM ''LDAP://bdsserver1/ CN=users,DC=company,DC=com''
WHERE objectCategory = ''Person''
AND objectClass = ''user'' ')
WHERE [SAMAccountName] = @userId
)
So calling either of these table functions from our custom application gives the same result:
select * from dbo.GetAuthenticatedUser('astonaker','abc')
OR
select * from dbo.GetAuthenticatedUserViaLDAP('astonaker','abc')
ResultSet:
'astonaker', 'Anthony', 'Stonaker' 'NULL'
So I can at least tell if a given user exists or not, but I have no visibility into whether the password they entered into our application is valid in LDAP.
I don't want to pass unencrypted passwords through the network, but then I don't know how to encrypt/compare these passwords without using the .NET Connection or DirectoryEntry, etc objects.
Any thoughts/suggestions are greatly appreciated!
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May 11, 2007
Hello,
It seems that there is some kind of limitation in SQL Server agent job log. For any job there is not more than 1000 rows of history. This can be seen with the following query:
SELECT j.name, count(*)
FROM sysjobhistory jh,
sysjobs j
WHERE jh.job_id = j.job_id
GROUP BY j.name
HAVING count(*) >= 1000;
How to modify the limitation? We really need more than 1000 rows.
r,
J
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Mar 15, 2006
I am having weird problems using ADSI and SQL Server. Our local intranet is ASP with a SQL database on Windows 2003 Server. It uses Active Directory (via ADSI linked server) to get authenicate users, etc.
Every now and then (about once a month) the SQL connection to AD will "crash". The following error is what I see when it has crashed:
Microsoft OLE DB Provider for ODBC Drivers error '80040e14'
[Microsoft][ODBC SQL Server Driver][SQL Server]OLE DB error trace [OLE/DB Provider 'ADSDSOObject' ICommandText::Execute returned 0x80040e37].
Sometimes it will come back on its own later, others are solved by a server reboot. Here is how my SQL query looks:
SELECT adspath
FROM OPENQUERY(ADSI,
'<LDAP://DC=servername,DC=net>;(&(objectCategory=Person)(objectClass=user));adspath;subtree')
Rowset_1
WHERE (sn <> '')Where can I start to get to the bottom of this?
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Jun 28, 2007
Hi all,
is it possible to exclude empty records from an ADSI QuerySelect?
I got a query like
Code SnippetSELECT objectGUID FROM OpenQuery(ADSI, 'SELECT objectGUID FROM ''LDAP://DC=whatever,DC=domain,DC=org'' where objectClass = ''User'' AND objectCategory = ''Person''')
and would like to have it like
Code Snippet
SELECT objectGUID FROM OpenQuery(ADSI, 'SELECT objectGUID FROM ''LDAP://DC=whatever,DC=domain,DC=org'' where objectClass = ''User'' AND objectCategory = ''Person'' AND homeDirectory IS NOT NULL')
or
Code SnippetSELECT objectGUID FROM OpenQuery(ADSI, 'SELECT objectGUID FROM ''LDAP://DC=whatever,DC=domain,DC=org'' where objectClass = ''User'' AND objectCategory = ''Person'' AND NOT(homeDirectory = NULL) ')
The problem is that I can only perform a query like
Code SnippetSELECT objectGUID FROM OpenQuery(ADSI, 'SELECT objectGUID FROM ''LDAP://DC=whatever,DC=domain,DC=org'' where objectClass = ''User'' AND objectCategory = ''Person'' AND NOT(homeDirectory = '''')')
which results in the error
"Could not fetch a row from OLE DB provider 'ADSDSOObject'."
There are many objects which do have a homedirectory, though, and therefore should be fetched.
Any comments or hints on where my error hides?
I know I could go on fetching all objects and exclude the unwanted ones later on but I'd simply run into the limitation of data records LDAP would provide me with.
Thanks in advance!
Regards,
caracol
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Apr 7, 2008
Hi,
We're running a Sage CRM install with a SQL Server 2000 database at the back end. We're using the Sage web services API for updating data and a JDBC connection to retrieve data as it's so much quicker.
If I retrieve a record using the JDBC connection and then try and update the same record through the web services, the query times out as if the record is locked for updates. Has anyone experienced anything similar or know what I'm doing wrong? If I just use DriverManager.getConnection() to establish the connection instead of the datasource, and then continue with the same code I don't get these record locking problems. Please find more details below.
Thanks,
Sarah
The JDBC provider for the datasource is a WebSphere embedded ConnectJDBC for SQL Server DataSource, using an implementation type of 'connection pool datasource'. We are using a container managed J2C authentication alias for logging on.
This is running on a Websphere Application Server v6.1.
Code snippet - getting the record thru JDBC:
DataSource wsDataSource = serviceLocator.getDataSource("jdbc/dsSQLServer");
Connection wsCon = wsDataSource.getConnection();
// wsCon.setAutoCommit(false); //have tried with and without this flag - same results
Statements stmt = wsCon.createStatement();
String sql = "SELECT * FROM Person where personID = 12345";
ResultSet rs = stmt.executeQuery(sql);
if(rs.next()){
System.out.println(rs.getString("lastName"));
}
if (rs != null){
rs.close();
}
if (stmt != null) {
stmt.close();
}
if (wsCon != null) {
wsCon.close();
}
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May 8, 2001
Greetings all,
I have successfully been able to use a SELECT query to see tables on a remote (Linked) server. Now, I want to be able to join those records with a WHERE clause to the same tables I have on my local database. The idea here is to be able to see current data on my local database(which is not current data), which resides in the remote database(which is current data). Here is what I have so far:
SELECT top 10 * from LinkServer.MC_Card.webuser.POS_TX
But, I'm not sure how to SELECT from two tables. Would I do a SELECT from the local database WHERE all records = records on the remote database?
Not sure how to do this. Is this what would be considered a Distributed Query? And how would I make this work with joins like the existing joins I have to the tables in my local database?
This is new territory for me. Sorry if this is such a newbie question.
Thanks,
Bruce
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Nov 7, 2006
I'm using MS SQL Server Express and I've added a linked server. (I created the linked server by right mouse clicking on Server Objects, selecting SQL and entering the SQL2 as the name.) Now I'm trying to query a linked table. The following query works.
SELECT * FROM SQL2.PA.dbo.Counties
This one doesn't:
Select * from OPENQUERY(SQL2,"SELECT * FROM SQL2.PA.dbo.Counties")
Msg 102, Level 15, State 1, Line 1
Incorrect syntax near 'SELECT * FROM SQL2.PA.dbo.Counties'.
Can you tell me why?
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Apr 19, 2004
I have two tables in a linked server that I am trying to accomplish the following:
Server is called Medic, schema is informix, catalog is v001
table names are findet and findhdr
1) join indices (patkey and invno)
2) distinct count (finhdr.patid)
3) sum currency(findet.amount)
4) within a date range(findet.ar_date)
5) having specific criteria (findet.proccode = "99201 thru 99205")
Any help is greatly appreciated!
JT
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Jan 25, 2008
Hi guys I need some help connecting to a LINKED SERVER. I have setup the LINKED SERVER via Enterprise Manager. This is what I did. I know this is a difficult thing to explain so I will try my best and attempt to give you a good understanding of the scenario.
1. I have three servers named DEVUK, DEVUS and DEVASIA.
2. DEVUK I can connect to via my computer and contains a databases called GOD.
3. I went into DEVASIA server and went to Administrative Tools > New ODBC Connection and called it DEVASIAUK.
4. Setup everything in there and tested the connection which completed successfully.
5. I am now on my computer where I have connected to DEVASIA and gone into Server Objects > Linked Servers.
6. I created a new LINKED SERVER and under GENERAL TAB have stated DEVASIAUK and Provider as SQL Server.
7. Security I have used NT_AUTHORITYand option BE MADE USING THE LOGINS CURRENT SECURITY CONTEXT.
I have the SQL Command: SELECT * FROM DEVASIAUK ... tblLocalTable
Am I doing this right? Or am I missing something here? I am new to Linked Servers but it shows it is executing a query but then it says Login Failed.
Appreciate any help, thanks, Onam
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Mar 29, 2001
Is there a way to set four part reference used in distributed query to a short
name in local server, so for each query you do not have to type the LONG four
part ref. repeatedly to linked server objects ?
Thanks a lot.
-Steve
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