External Access To SQL Server
Jul 3, 2006
Hello,
I'm not sure whether this is right section to post this. It seems the most relevant one to me. (Please point me in the right direction if it is not).
I am a programmer/web developer for a medium sized organisation in the financial industry (in Australia). Obviously being in the finance industry, we have very strict guidelines and access when it comes to security. We are currently in the process of converting our website to use a SQL Server database (instead of MS Access which we have been using for years). In the past, we have accessed our web database via SFTP as it was only an Access file. Now that we are converting to SQL Server, we will still need access to our database (which is on a server hosted externally). It seems a bit silly (and even bizarre) to me to consider trying to access a SQL Server database via SFTP (as that, to me, defeats the purpose of some of its security features), but is it even possible?
My security guys here will only allow me to access the external server that hosts our website/database via SFTP (on a machine that is outside our network, so any files that I wish to update on our website I need to copy over via USB or whatever). If I am not able to get into the SQL Server administrator program to change our database via SFTP, is there someway that I can "drop" a changed copy of our database into a directory somewhere that SQL Server can "pick up"?
Am I making sense?
Many thanks,
Bronwyn
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Apr 9, 2007
I need to create a SQL server database and add some tables to it. Then access it with a C# application. The problem is that the new SQL server database and it's tables must reside on an external hard drive. How do I point SQL server to this external drive, so that I can create a database on this drive and then create tables and access data on it?
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Jul 23, 2005
Hello,I want to access my database server from the internet. I've created a ruleon my router to redirect port 1433 to the desired machine, but still get aServer does not exist, or access denied message. When I change the(external) ip to the local IP address, connection succeeds. Is thereanything i need to change within SQL Server to allow external (internet)access?
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Oct 12, 2005
I've done a lot of digging, and I can't find the solution to this one. I followed Vineet's instructions to get an assembly registered that can call out to Web services; however, when I try to register, I get the following error:
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Nov 22, 2007
Hello
Normally we installs our SQLServers for internal use, but now we've a data supplier which we're going to expose a SQLServer at.
The datasupplier should be able to log on the SQLServer, so I've done the following.
Created an IP-adress from the outside to point at our server
Opened port 1438 in the firewall
Installed SQLServer 2000 Developer Edition as an instance (ie. ServerAINST001)
Opened SQL Server Network utility, selected the correct instance and TCP/IP and altered the default port to 1438
And tried to connect, but with no luck. Can anybody guide me in the right direction?
Kind regards
Janus
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Jul 28, 2006
I want to Access External resources inside the CLR Code... But I am getting Security Exception
I have marked Assembly with External Access... here is the way I am doing..
I read articles and MSDN .. everywhere is written to use impersonation like
using (WindowsIdentity id = SqlContext.WindowsIdentity)
{
WindowsImpersonationContext c = id.Impersonate();
//perform operations with external resources and then undo
c.Undo();
}
In above case .. I tried both Windows Authentications and SQL Authentications ...
In case of Windows.. I am have a domain login to logon to my pc, while sql server is at another machine and Active directory is at different machine .. when connect to Database .. it says cannot find user Domainnameuser
and the SqlContext.WindowsIdentity is always null or it has exception User.Toked thew Security exception.
After that .. I tried to user custome Identity .. using IIdentity =GenericIdentity("UserName","Windows");
But there is now difference .. still same exception .. as given below..
[Microsoft.SqlServer.Server.SqlProcedure]
public static void MyProcedure()
{
Process[] p = Process.GetProcessesByName("YPager"); //Yahoo messanger exe .. a process
p[0].kill();
}
A .NET Framework error occurred during execution of user defined routine or aggregate 'MyProcedure': System.Security.SecurityException: Request failed.
System.Security.SecurityException:
at System.Security.CodeAccessSecurityEngine.ThrowSecurityException(Assembly asm, PermissionSet granted, PermissionSet refused, RuntimeMethodHandle rmh, SecurityAction action, Object demand, IPermission permThatFailed)
at System.Security.CodeAccessSecurityEngine.ThrowSecurityException(Object assemblyOrString, PermissionSet granted, PermissionSet refused, RuntimeMethodHandle rmh, SecurityAction action, Object demand, IPermission permThatFailed)
at System.Security.CodeAccessSecurityEngine.CheckSetHelper(PermissionSet grants, PermissionSet refused, PermissionSet demands, RuntimeMethodHandle rmh, Object assemblyOrString, SecurityAction action, Boolean throwException)
at System.Security.CodeAccessSecurityEngine.CheckSetHelper(CompressedStack cs, PermissionSet grants, PermissionSet refused, PermissionSet demands, RuntimeMethodHandle rmh, Assembly asm, SecurityAction action)
at DatFileGenerator.StoredProcedures.'MyProcedure'()
.
No rows affected.
(0 row(s) returned)
@RETURN_VALUE =
Finished running [dbo].['MyProcedure'].
How could I go ahead... what I should do to accompilsh the task...
Kindlly .. suggestions and ideas..
Thanks,
Muna
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Mar 6, 2005
Hi
I have created a .net application using visual studio .net and sql server destop edition on my pc. I have exported the database tables and stored procedures and imported them into a Sql Server database on a web hosting service. The web host does not allow me to access this database directly through visual studio .net.
My connection string to the external database works ok and I can access my stored procedures through my web pages. I know they accept parameters and that I can receive Return Values from them. However, whenever I try to access any of the tables on the external database through a stored procedure, I get a sqlException saying that the table cannot be found (Invalid object name 'UserList').
I have created a text type command which selects data from one of the tables and this runs through without any errors. I have also managed to Insert a row onto one of the external tables also by using a text type command. My only problem seems to be with commands using stored procedures.
Just in case this is the problem - the owner of the table/procedures on my desktop is shown as dbo but on the external database the owner of the tables is shown as [domainname].co.uk_dbuser while the stored procedures owner is still dbo.
Example of stored procedure on external database:
/****** Object: Stored Procedure dbo.AddUser Script Date: 01/03/2005 21:10:06 ******/
CREATE PROCEDURE dbo.AddUser
(
@Username Varchar(20),
@Password Varchar(20)
)
AS
(
Select User_ID From UserList
Where User_Username = @Username
)
GO
Have tried changing dbo.AddUser to [domain].co.uk_dbuser.Adduser but this would not save because there were too many full-stops!
Any help would be greatly appreciated as I am completely stuck.
John
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Jul 20, 2007
Hi
I've loaded a C# assembly into my database with External Access (the dll contains a routine
that accesses Environment.MachineName).
I am now unable to invoke any of the entry points in this assembly. I get the error message
'An error occured trying to load assembly Id XYZ. System.IO.FileLoadException.....'
I have set the database Trustworthy flag to ON and the assembly does not have a strong name.
Can anyone tell me what I've done wrong?
Thanks
Steve
P.S. I am calling the assembly from SQL code residing in a different database than the one
the assembly has been loaded into.
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Feb 6, 2006
Hello,
I'm having an issue with a CLR Stored procedure. Everything works great in a 32 bit environment, I have a CLR SP that updates an xml file stored on a local drive. When I execute the Stored proc it does go and update what I want it to in a 32 bit system. When I run the CLR SP on a 64 bit cluster, I seem to have give the "everyone" group write permissions to my G: drive (which is where the file is located that I'm updating). What security context is this SP running under? I thought it would be either under the SQL Service account (which is a domain user in the local administrators group) or what I'm logged in as when I run it from Management Studio (which is a domain admin, also in the local administrators group). If I have given the local administrators group "Full Control" access to the G: drive, why isn't this enough? Why do I have to give the Everyone group write access?
The security context seems odd to me, it seems like it's not running as either one of those 2 users I mentioned, because if it was, then it should be able to update the xml file.
Any help appreciated. Here's the error I'm getting:
Msg 6522, Level 16, State 1, Procedure usp_XMLWriter, Line 0
A .NET Framework error occurred during execution of user defined routine or aggregate 'usp_XMLWriter':
System.UnauthorizedAccessException: Access to the path 'g:ssisPackagesBuildCalendarandy.dtsConfig' is denied.
System.UnauthorizedAccessException:
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.Init(String path, FileMode mode, FileAccess access, Int32 rights, Boolean useRights, FileShare share, Int32 bufferSize, FileOptions options, SECURITY_ATTRIBUTES secAttrs, String msgPath, Boolean bFromProxy)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, String msgPath, Boolean bFromProxy)
at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
at System.Xml.XmlTextWriter..ctor(String filename, Encoding encoding)
at System.Xml.XmlDocument.Save(String filename)
at XMLWriter.StoredProcedures.usp_XMLWriter(String xmlDocPath, String xmlNodePath, String xmlInnerText)
.
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Jun 9, 2014
I have developed on winodws based application using C# in .NET. I am connecting from my database using internet, means my database kept on remote location. I have to save images in DB because I can't save and access images in external folder from remote location. In this situation my DB is growing very fast. Is there any other alternative to work on this requirement or compress image in any format so that I can reduce DB size.
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Oct 19, 2006
OS: Windows XP (SP2)
App: MS Access 2003 (SP2)
DB: MS SQL 2000 (SP4, 2040)
User is using MS Access linked table to query database (using ODBC). User can open the query in MS Access. However when the user goes to export the data to MS Excel format, the user receives the error message:
"Unexpected Error from External Database Driver (22)."
A trace on the db, reveals that the user process is attempting to log in to the server as 'Admin'. However, when the query with the linked table is first opened, the user is prompted for username/password (non Windows authentication).
Any ideas? I googled and found some stuff, but nothing directly related and most of what I found was supposedly fixed with SP1.
Any help appreciated. I am not an Access guru.
Regards,
hmscott
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Jul 11, 2006
I had created a CLR function in my db and was able to execute it successfully a couple of months ago. But when I tried to execute it today it was throwing errors saying there was something wrong with the permissions on the assembly. So I decided to drop everything and recreate it except I can not longer create the assembly with EXTERNAL ACCESS permissions. Whenever I try to create the assembly I get the followng error:
Msg 0, Level 11, State 0, Line 0
A severe error occurred on the current command. The results, if any, should be discarded.
Msg 0, Level 20, State 0, Line 0
A severe error occurred on the current command. The results, if any, should be discarded.
I also tried to create the assembly with Unsafe permissions and got the same error. Does anyone know why this error would be occurring now? I tried creating the same assembly on a different SQL 2005 server and it creates successfully and can be executed successfully. Any help would be greatly appreciated!!
Thanks!
GN
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Apr 23, 2015
I'm currently working on a BI architecture for a customer, and consider to propose the Power BI data catalog as a data distribution layer. The customer will use Power BI, but also has other BI tools.
Are data sets in the data catalog available to other clients than Power Query alone? E.g. are there OData feed endpoints available? If not, what would be the best way to give other tools access to the data?
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Jun 9, 2004
Hi,
I have been developing an app using SQL Server 2000 and am ready to transfer to a server located offsite. How can I connect to this server through enterprise manager or anything else so that I can use the copydatabase wizard to move it to the live server?
Thanks
Wheelz
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Jan 24, 2007
Hi all... Very much a newbie here to setting up SQL server, and am pulling my hair out over a problem...
I have a VPS running Win2003 64bit and have setup my ASP forum on it (I also have SQLExpress 2005 installed on the VPS) - I have a SQL DataBase running on an external server which my old host setup for me and the old forum has been using... Now all I want to do is for my ASP forum on my server to connect to this external SQL DB... How easy!? Well not for me ..
This is the error
Microsoft OLE DB Provider for SQL Server
[DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied
I know its my VPS causing the problem, as I asked a friend to see if he could connect to it via his server and the forum worked straight off no changes...
After some investigating I have found a few threads about advice but still cannot get it to connect to the external SQL DB (BTW I can connect to a SQL DB on my server its just externally)... This is what I have done / Checked so far..
1. I have changed the connection string to include the port number 1433
(Provider=sqloledb;Data Source=THEIPADDRESS,1433;Initial Catalog=DB;User ID=xxxxx;Password=xxxx;)
2. I can ping the IP address of the external SQL Server with no problems
3. On my server I have enabled TCP/IP in SQLExpress & added sqlservr.exe as an exception in the Firewall
4. I have even tried turning the Firewall off completely while I tried to connect - But still nothing.
If anyone can help me I would be very appreciated.... I am starting to tear my hair out as I can't think what else I need to do???
Thanks
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Jul 5, 2007
I have seen the
Tools------>External tools
in sql server 2005 window
What external tools are used ? How they are used?
Plz give me the link to study this
Thanks,
Swati
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Mar 21, 2007
Hi,I have a Sybase dataserver containing lots of (huge) tables that Iwould like to access from SQL Server (two different applications,using two different datasources, now want to talk to each other). MSAccess has a feature for 'linking' external data. Can I do similarstuff in SQL Server?Basically, I am trying to avoid having to duplicate the data in boththe dataservers and worry about keeping them in sync.Regards,Tanveer
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May 11, 2006
Hi All,
Quick question ...
Is it possible to add an external server registration using SQL Server Management Studio Express CTP?
Reason being I have been doing some work from home and need to port the data back to the office who are on SQL 2000. I have a database with my web hosting company and wanted to export the data to the 'live' database so I could import to the office database - any ideas?
I've tried to connect using my login details and I know the live DB is operational as I can connect through my work system. I just can't seem to be able to do it on my system at home.
Any help would be greatly appreciated as it's been a real pain to get stuff transferred. I've so far had to generate SQL script to create the procs and tables for when I get to work - the proper down side is that I lose the content of the tables which not much right now but will be loads soon!
Many Thanks
--
I have just dicovered that the CTP management studio will not connect to SQL 7 - is there any alternative or does the new version compensate for this?
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Aug 24, 2007
The reason that I would like to install SQL Server Express on an external hard drive is for portability. I am developing a database that I will be working on in the office and at home. At the current time, I do not have a laptop at the office (and I don't want to use my personal laptop for this project). I need a way to develop and test the database both at home and at the office.
I was wondering if anyone knows if this crazy idea would work. I am also thinking of doing the same with Visual Studio Express. Since there are no licensing violations to speak of for these software packages, it would seem like this could work.
Any thoughts?
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Jan 24, 2007
Hi all... Very much a newbie here to setting up SQL server, and am pulling my hair out over a problem...
I have a VPS running Win2003 64bit and have setup my ASP forum on it (I also have SQLExpress 2005 installed on the VPS) - I have a SQL DataBase running on an external server which my old host setup for me and the old forum has been using... Now all I want to do is for my ASP forum on my server to connect to this external SQL DB... How easy!? Well not for me ..
This is the error
Microsoft OLE DB Provider for SQL Server[DBNETLIB][ConnectionOpen (Connect()).]SQL Server does not exist or access denied
I know its my VPS causing the problem, as I asked a friend to see if he could connect to it via his server and the forum worked straight off no changes...
After some investigating I have found a few threads about advice but still cannot get it to connect to the external SQL DB (BTW I can connect to a SQL DB on my server its just externally)... This is what I have done / Checked so far..
I have changed the connection string to include the port number 1433
(Provider=sqloledb;Data Source=THEIPADDRESS,1433;Initial Catalog=DB;User ID=xxxxx;Password=xxxx;)
I can ping the IP address of the external SQL Server with no problems
On my server I have enabled TCP/IP in SQLExpress & added sqlservr.exe as an exception in the Firewall
I have even tried turning the Firewall off completely while I tried to connect - But still nothing.
If anyone can help me I would be very appreciated.... I am starting to tear my hair out as I can't think what else I need to do???
Thanks
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Mar 26, 2008
Hi,
I am trying to invoke a webservice method when a specific record gets updated in my sql db table. I am planning on writing a trigger on the table, that would invoke the webservice when the event occurs. But I am not sure how to accomplish this. Any ideas/suggestion would be very helpful.
ThanksDabi
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Dec 9, 1999
How can I move data from an external source to SQL-server 6.5.
If you for example has an oracle database on a UNIX or VMS-system and want
to move table data from a table in the oracle database to the SQL-server database.
There must be plenty of tools to do that via ODBC.
Any suggestions ?
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Apr 9, 2007
ok so this is my code:
private void iDListBox_SelectedIndexChanged(object sender, EventArgs e)
{
string connectionString = GetConnectionString();
using (SqlConnection connection = new SqlConnection(connectionString))
{
SqlCommand cmd = new SqlCommand("SELECT * FROM Table1 WHERE Naam=@Naam", connection);
cmd.Parameters.AddWithValue("@Naam", iDListBox.SelectedValue);
connection.Open();
SqlDataReader reader = cmd.ExecuteReader();
if (reader.Read())
{
naamTextBox.Text = reader.GetString(1);
}
reader.Dispose();
connection.Dispose();
}
}
static private string GetConnectionString()
{
return "Data Source=(local);Initial Catalog=AdventureWorks;"
+ "Integrated Security=SSPI;";
}
but when I change the selected index of the listbox, then this error comes up:
System.Data.SqlClient.SqlException was unhandled
Message="An error occured while setting up a connection with the server. At making a connection with SQL server 2005, this jamming is possibly caused by the fact that at the standardinstitutions of SQL server no external connections have been permitted (provider: Provider of named pipes, error: 40 - no connection with SQL could open server)"
If the error sounds a bit weird, sry I tried to translate as most of my errors come in my language
someone knows what the problem is and a solution to it?
(btw sry if this is in the wrong part of the sql forum, but there are so much parts, I didn't know which to choose lol )
thx in advance
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Aug 9, 2006
I have generated a DLL file in VC++ 2005 by a 'C' file. It works fine when I put in a 32bits machine(32bits Windows Server 2003 + 32 bits SQL Server 2005).
However, when I build it into 64 bits, it doesn't work in a 64 bits machine. I have checked by Dependenct Walker, the DLL generated is linked with KERNEL32.DLL / OPENDS60.DLL / MSVCR80D.DLL, all of these DLL files are on the 64 bits machines and linked correctly.
I used the command
sp_addextendedproc 'abc', 'C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLBinnabc.dll'
to create a ext. stored procedure. When I run it, the error message shows that
Could not load the DLL C:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLBinnabc.dll, or one of the DLLs it references. Reason: 126(error not found).
I would like to ask what is cause of the problem? Do I need to use CLR instead?
Thank you very much!!~
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Sep 24, 2007
Hi
I'm a newbie at SQL 2005 and I'm trying to create linked tables to our ERP system through ODBC. I can do this in MS Access or vb.net by using the ERP system's ODBC driver, but I am lost when it comes to SQL Server 2005.
Thanks for any help
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Nov 26, 2006
hi there - I'm praying someone here can shed some light on this - after many google and web searches, I have found users with similar issues, but have yet to find a solution.
Problem: I have recently upgraded my desktop from Windows XP to Windows Vista Ultimate (clean install) and have migrated my local machine to SQL Server 2005. However I have a number of .Net projects that access databased on another server running SQL Server 2000 - prior to my upgrade to Vista, I was running SQL Server 2000 on my desktop as well. During the install, everything seemed to go well, and I also installed the SQL Server 2005 Service pack as instructed via the MSDN site. However, when attempting to test my .net projects on my desktop pc (ie visit http://localhost), I encounter the error:
An error has occurred while establishing a connection to the server. When connecting to SQL Server 2005, this failure may be caused by the fact that under the default settings SQL Server does not allow remote connections. (provider: Named Pipes Provider, error: 40 - Could not open a connection to SQL Server)
note that the server I am attempting to connect TO is the old SQL 2000 server - NOT 2005. I specify my connection info in the web.config - and it points to an external ip address on the web.
Can anyone shed some light on this? I've tried enabling remote access on my local SQL 2005 install, but I'm fairly sure thats for servers that want to connect to my desktop, rather than my desktop attempting to connect to external servers. Any help is greatly appreciated - I'm pulling my hair out over trying to figure this out! :)
To summarize my setup (if it helps)
Desktop PC:Windows Vista (Ultimate)SQL Server 2005Visual Studio 2005II 7.0.Net 2.0 (ASP.Net Application)
External Server (co-located at a datacenter)Windows Server 2003SQL Server 2000IIS 6.0.Net 2.0 (ASP.Net Application)
Much appreciated,
Ted
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Jun 10, 2007
Can anyone help me with a problem I have with SSRS 2005? How do I configure SQL Server 2005 Reporting Services to deliver subscription e-mails to addresses external to my windows domain?
I've been having trouble configuring the Report Server e-mail delivery component to send subscription e-mails to addresses outside the domain on which the report server is hosted.
For e.g. since my local windows domain is named "smartsystems.com", I have found that the Report Manager does not have any problems sending subscription mails to "eawagu@smartsystems.com" but throws up an error whenever I include "eawagu@yahoo.com" in the recipients' list.
Any insights?
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Jun 10, 2015
I have recently upgraded to SQL2014 on Win2012. The Access front end program works fine.
But, previously created Excel reports with built in MS Queries now fail with the above error for users with MS 2013. The queries still work for users still using MS 2007.
I also cannot create any new queries and get the same error message. If I log on as myself on the domain to another PC with 2007 installed it works fine, so I don't think it is anything to do with AD groups or permissions.
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Oct 30, 2007
Hi guys,
I've been developing desktop client-server and web apps and have used Access and SQL Server Standard most of the time.
I'm looking into using SQL CE, and had a few questions that I can't seem to get a clear picture on:
- The documentation for CE says that it supports 256 simultaneous connections and offers the Isolation levels, Transactions, Locking, etc with a 4GB DB. But most people say that CE is strictly a single-user DB and should not be used as a DB Server.
Could CE be extended for use as a multi-user DB Server by creating a custom server such as a .NET Remoting Server hosted through a Windows Service (or any other custom host) on a machine whereby the CE DB would run in-process with this server on the machine which would then be accessed by multiple users from multiple machines??
Clients PCs -> Server PC hosting Remoting Service -> ADO.NET -> SQL CE
- and further more can we use Enterprise Services (Serviced Components) to connect to SQL CE and further extend this model to offer a pure high-quality DB Server?
Clients PCs -> Server PC hosting Remoting Service -> Enterprise Services -> ADO.NET -> SQL CE
Seems quite doable to me, but I may be wrong..please let me know either ways
Thanks,
CP
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Nov 29, 2006
Is there a way to specify a MS Access table (or query object) in the select query of SQL Server.
Ex.:
MSAccessTable (in file.mdb)
col1
col2
a1
a2
b1
b2
SQL query in SQL Server:
SELECT col1, col2 into SqlTable from [file.mdb].MSAccessTable;
Thanks,
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Apr 22, 2015
When i am trying to start our hospital software based on SQL server 2000, it shows Following Error.Search Condition is not valid, (DBNETLIB) Connection Open (connect()). SQL server does not exist or excess denied. Due to Fetch data.I run our software in Windows 8.1, while it smothly runs in previous version of Windows XP and 7.
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Oct 31, 2005
Hello allWould it be possible to migrate the MS Access 2000 to MS SQL Server2000?My application is using MS Access 2000 as database and as userinterface such as forms. Now, I want to migrate the backend databasefrom MS Access 2000 to MS SQL Server 2000. However, I want to keep theMS Access 2000 interface. Would it be possible?If I migrate the MS Access to SQL Server, would the queries, back-endVBA, macro, tables and forms be affected? Do I need to change the MSAccess data type to SQL server supported data type?Which tool I can use to do the migration? Upsizing wizard or exportingthe Access database and then importing it to the SQL server?Thanks in advanceCheersBon
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