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How To Avoid Web Users To Connect To SQL Server Trought ODBC


 

Hi everybody,

i'll try to explain the problem with my bad english, so sorry.

In my firm i have a server (W2003 Server) with IIS 6.0 and SQL Server 2005 EE an it is joined in the main domain as all users and their workstation (window XP) are joined too.

The main role for this server is to be a web server and with IIS Manager I configured to verify user identities with Windows Integrated authentication without any anonymous access to web pages (ASP scripts).

I made a group called "Web Users" with read right on ASP scripts and his only one member is "Domain Users".

"Web Users" has of course rights to access this server from network.

This group is also a SQL Server login because it has rights to wiew an modify data at least in one db table trought ASP pages using ADO, but the problem is that they can also connect using ODBC.

Configuring SQL to accept only local connection i can avoid this, but as SQL Admin i can't connect too. So how is possible for web users interact with SQL only trought web pages ?
Thank you very much




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Error: 0xC004700C at Data Flow Task, DTS.Pipeline: One or more component failed validation.
Error: 0xC0024107 at Data Flow Task: There were errors during task validation.
SSIS package "Sales Data Load.dtsx" finished: Failure.

Furthermore, I have packages configured in SQL 2000 DTS to use the same system dsn without any errors.

Why doesn't this work in SQL 2005 SSIS?

Thanks.

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Cannot Connect To SQL 2005 Using Vista ODBC Administrator
Here's the context:
 
Database server:
 - Remote machine running SQL 2005 Standard as a named instance
 - Named pipes and TCP are enabled for remote connections
 - SQLBrowser service is running
 - Listening on default named pipe (\servernamepipeMSSQL$instancenamesqlquery)
 
Client:
 - Vista Business machine
 - Not in same domain as server, but on the same network (via Cisco VPN)
 - SQL 2005 Express is installed (for use with local databases)
 - Windows Firewall enabled
 - Running Symantec Antivirus, Corporate Edition
 
Connectivity:
 - I CAN connect to SQL 2005 databases on the remote server using  "nperverinstancename"
 - I CAN connect to SQL 2005 databases on the remote server using Excel 2007
 
The problem is that I cannot successfully create an ODBC datasource using the "ODBC Data Source Administrator" application.  I'm using the "SQL Server" driver and trying to create a System DSN.  I'm also running the tool with elevated permissions.
 
 - When I try to use "servernameinstancename" as the server and TCP as the connection type, I get this error:

Connection failed: SQL Server Error: 18452; "[Microsoft][ODBC SQL Server Driver][SQL Server] Login failed for user ''.  The user is not associated with a trusted SQL Server connection.
 
 - When I try to use "npervernameinstancename" as the server and Named Pipes, I get this error:

Connection failed: SQLState: '01000'; SQL Server Error: 1326; [Microsoft][ODBC SQL Server Driver][DBNETLIB]ConnectionOpen(Connect()).
Connection failed: SQLState: '08000'; SQL Server Error: 17; [Microsoft][ODBC SQL Server Driver][DBNETLIB]SQL Server does not exist or access denied.

Help!  I've really been beating my head against the wall on this one.  It all works just fine with a Windows XP client machine.

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Can't Connect To The ODBC Database Named Aspol54
can any one provide any suggestions to help this error i installed automation studion 5.4 and the program will not run on my laptop.

i traced the data below when i try to start the program.

AsProjet        db0-b5c    ENTER SQLAllocEnv
        HENV *              015CF6B0

AsProjet        db0-b5c    EXIT  SQLAllocEnv  with return code 0 (SQL_SUCCESS)
        HENV *              0x015CF6B0 ( 0x015e1540)

AsProjet        db0-b5c    ENTER SQLGetEnvAttr
        SQLHENV             015E1540
        SQLINTEGER                 201 <unknown>
        SQLPOINTER          [Unknown attribute 201]
        SQLINTEGER                   4
        SQLINTEGER *        0x0013E380

AsProjet        db0-b5c    EXIT  SQLGetEnvAttr  with return code 0 (SQL_SUCCESS)
        SQLHENV             015E1540
        SQLINTEGER                 201 <unknown>
        SQLPOINTER          [Unknown attribute 201]
        SQLINTEGER                   4
        SQLINTEGER *        0x0013E380 (1567744)
any help would be great.

tks

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SQL 2005 Express - Connect To ODBC Database
Is it possible to create a connection to an ODBC database from within the SQL Server Management Studio Express.

I want to create and save the connection settings and use them to reconnect when needed.  Is this possible?

Do I have to create the connection in Express VB.Net or can it be setup as a saved link to the external ODBC database?  Can this be done to an MS Access database?

Thanks, John

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Error 18456 When Trying To Connect To 2005 Using Odbc
Hi all

I am using Windows XP SP2 with a Sql server 2005 Express installation. I created a test db with a user called test, schema also test. I gave the permission connect, db_datareader and db_datawriter. I can now connect into this user using WinSQL. But if I want to connect using a application which is using ODBC, then I get the error:

[SQLSTATE=28000 - [Microsoft][SQL Native][SQL Server]Login failed for user 'test'.[Native Error=18456]]

Because I connect using ODBC, I think there must be the problem. But I have to connect with ODBC. There is no other possibility.

any ideas ?

Regards, Waff

I found this out:

The server collation is defined to: Latin1_General_CI_AS

If I create a new login id in lowercase, then ODBC will change it to uppercase and then the server refuse the access. But why. CI means case insensitive, so doesn't matter if upper or lower case. should.

How do you use a id in lowercase and connecto via ODBC ?

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Requires Code To Connect SSIS Using ODBC Source
Hi,

I want to consume ODBC source in SSIS package. But unfortunately there is no ODBCDataReader available. Please give me some code sample or links to work with SSIS package using ODBC as source.

Regards.

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Unable To Connect To An ODBC Text File Source
 

Hi

 

one of the data sources I've set up is through an ODBC to a text file which logs errors through our fax software.

 

The report connects to the data source in the report designer but when it's deployed, the report

 

"Cannot create a connection to data source 'FaxMaker'"

 

in the RDL I have.

 

<DataSource Name="FaxMaker">

<DataSourceReference>FaxMaker</DataSourceReference>

<rd : DataSourceID > 3556c0b4-9281-451e-966c-f279ab6cc78e</rd : DataSourceID>

</DataSource>

 

Can anyone advise me on what I'm missing.

 

Thanks

 

Steven

 

 

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Users&#39; Access Linked Table From ACCESS To SQL 7.0 By ODBC
Hi Everyone,

I have set up a link from ACCESS to a SQL 7.0 database using ODBC (File DSN saved on a shared DRIVE). The link works well only from the workstation where the link was created. But How can I create a link so a group of users can view the linked table in ACCESS without type a password? Any suggestion is appreciated.

Lunjun

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ODBC Error: [Microsoft][ODBC SQL Server Driver]Communication Link Failure
Hi

When I open design table in 2000 Enterprise Manager and clicked on Index properties tab ,I am getting following error "ODBC error: [Microsoft][ODBC SQL Server Driver]Communication link failure"

Please help me.

thanks in advance

mike

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Can't Find SQL Native Client In ODBC Connection Manager In SQL Server Open Database Connectivity (ODBC)
I apologize if this is not the correct forum for this posting. Looking at the descriptions, it appeared to be the best choice.

I am running Windows XP Pro SP2. I have installed the SQL Native Client for 
XP. However, when I try to add a new data source through ODBC Connection 
Manager, SQL Native Client is not listed as an option. I have followed this procedure on three other systems with no problems. What would be causing the
SQL Native Client to not show up in the list of available ODBC data sources?

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How To Avoid Concurrency In Sql Server 2000?
I have a database in sql server 2000. In this i have used identity(seed,increment) property so that unique ids may be available. Now if requests from diffrent users arrives at same time on the server, will there be a conflict because of ids? 

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Microsoft.Data.Odbc.OdbcException: ERROR [42000] [Microsoft][ODBC SQL Server Driver][SQL Server]
Hi Everybody,


On localhost this application works fine but when I put on remote server. I am getting following errors. For both localhost and server, I am using same remote sql 2000. I will appreciate any help.

Thanks,

Arif



Server Error in '/' Application.
--------------------------------------------------------------------------------

ERROR [42000] [Microsoft][ODBC SQL Server Driver][SQL Server]Line 1: Incorrect syntax near ')'.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: Microsoft.Data.Odbc.OdbcException: ERROR [42000] [Microsoft][ODBC SQL Server Driver][SQL Server]Line 1: Incorrect syntax near ')'.

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[OdbcException: ERROR [42000] [Microsoft][ODBC SQL Server Driver][SQL Server]Line 1: Incorrect syntax near ')'.]
Microsoft.Data.Odbc.OdbcConnection.HandleError(IntPtr hHandle, SQL_HANDLE hType, RETCODE retcode) +27
Microsoft.Data.Odbc.OdbcCommand.ExecuteReaderObject(CommandBehavior behavior, String method) +838
Microsoft.Data.Odbc.OdbcCommand.ExecuteNonQuery() +80
Calgary.venues.Page_Load(Object sender, EventArgs e) in c:inetpubwwwrootCalgarySitevenuesvenues.aspx.vb:32
System.Web.UI.Control.OnLoad(EventArgs e) +67
System.Web.UI.Control.LoadRecursive() +35
System.Web.UI.Page.ProcessRequestMain() +731

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How To Avoid Having Locked Tables During Update In Sql Server 2005?
We are running a shopping mall in Korea and got a database including a table
of 4 million product prices, which is to be updated hourly basis.  Updating 4million
records requires at least 10 minutes to complete. During the update, our shopping mall
exposed to customers does not respond quickly in fact very very slowly
and we investigated and found out that many tables of SQL database during the update were being
locked.  As you know, site speed is top priority. We studied and found out that there are
two ways to avoid having locked tables during update, those are "read uncommitted" and
"snapshot" using the following lines.

     set transaction Isolation level read uncommitted
     set transaction Isolation level snapshot

We tried numerous times the above two lines and still find our tables being locked during update
and our customers are being disappointed.

My questions:

1. Is it possible at all in view of "the state of the art" to avoid having locked tables  during update of 4 million records ?

2. if it is possible, would you please teach me like I am the beginner of database studies?

For your information, we are using 2005sql (64bit) in Windows 2003 (64bit).

Sincerely
 

Daeyeon Jo

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