Coldfusion Web Appls From Oracle To SQL Server 2005 - How To Use Application Roles In Coldfusion
Jun 18, 2007
Coldfusion Web appls from Oracle to SQL Server 2005 - How to use Application Roles in Coldfusion.
Is there anyone who has used application roles in Coldfusion Applications? How would you set this up?
I know how to set up application roles. If you establish your application role and you move from one page to another, how would you run cfquery since you loose your initial user connection in place of the application role connection. Are there alternatives to using application roles in Coldfusion?
Sample code would be helpful.
TF
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Jun 12, 2007
webacadie hit the nail on the head.Thanks a bunch.Finally I got coldfusion administrator to talk to Northwind database in sql server 2005 express.Basically all I did was look for TCP dynamic port under IPALL.Made a note of the number and enter it in the administrator.Also used 127.0.0.1 instead of localhost.Works like a charm.
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Mar 14, 2006
Hello,
I am receiving hte following error when I open my ColdFusion web page.
[Macromedia][SequeLink JDBC Driver][ODBC Socket][Microsoft][ODBC SQL Server Driver]Numeric value out of range
My problem is that this doesn't seem to be referring to a numeric field. I can run my page just fine without the query asking for the field "Description", which is a varchar(max). I have another table with the same exact field (data type, properties) that is called from a different web page using ColdFusion and that one works fine. I have recreated my table, rewritten the ColdFusion query several ways, and just cannot find an answer! I can't really even decide if it's a SQL Server problem or ColdFusion.
Any ideas?
Thanks,
Nicki
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Nov 24, 2007
Hi all:
[Posting this in the security forum because in this forum I found a related post.]
I have a problem with SQL Server 2005 and application roles and pooling. I needed to use application roles and I needed to use pooling at the same time for an application. I am using sp_setapprole and sp_unsetapprole. In order to ensure that the application role is always set and unset by the application, I actually developed a custom Data Provider based on the SqlClient Data Provider. I have a custom Connection and Command class that wrap the SqlClient versions. Upon opening my custom Connection class, I execute the sp_setapprole stored procedure. Upon closing or disposing the connection, I call sp_unsetapprole.
This works fine in 99% of my tests. However, I have three or four methods (always the same ones, but one only fails ever so often) that fail, but only under the following circumstances:
Pooling is turned on (but pool size doesn't matter)
I am using my custom Data Provider (using System.Data.SqlClient does not cause this issue... but I am also not using approles then)
When other tests have run in the same test run. I.e. when I run the failing methods by themselves in a test run, there is no problem.
So it seems to me that the problem is related to using application roles with pooling turned on. For scalability reasons, we cannot turn pooling off. When the methods fail, I see the following two (2) entries in the SQL Log:
Error: 18059, Severity: 20, State 1.
The connection has been dropped because the principal that opened it subsequently assumed a new security context, and then tried to reset the connection under its impersonated security context. This scenario is not supported. See "Impersonation Overview" in Books Online.
I understand the error message somewhat. However, I am not sure why the "reset" of the connection occurs. My code does not call reset anywhere, so it must be something that happens in the background.
I am reviewing code to see if there is possibly a situation where the sp_unsetapprole procedure does not get called or does not get called successfully, but there is a lot of code (in many custom components).
I would like to know if anyone has a suggestion on how to solve this problem, or, find the code that may be causing the problem.
Thanks in advance,
SA.
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Jun 13, 2006
We have an an application that was written using OLE DB (ADO) against a SQL 2000 Server that uses an Application role to give rights to the database objects. It connects, calls sp_setapprole and goes on. If the database needs to LOCK a record, it is creating a new ADO Connection and instantiating the Approle again. This model has been working fine up til now.
Now we are installing a SQL 2005 server for the latest version of the product we are working on and are running into an error. The error is
Error: 18059, Severity: 20, State: 1.
The connection has been dropped because the principal that opened it subsequently assumed a new security context, and then tried to reset the connection under its impersonated security context. This scenario is not supported. See "Impersonation Overview" in Books Online.
It's happening when the second ADO Connection for locking a record is being created and the sp_setapprole is being executed.
One of my questions is what is the problem with executing the approle on a different connection? Our code has not changed, so obviously SQL 2005 is doing something different. The other is What can we do to correct this?
Is the resource pooling different? We had problems in the beginning with approles and figured out through research that we needed to add OLE DB Services=-2 to the connection string to turn off resource pooling.
Is there an extra step to using Approles in SQL 2005?
Any help would be greatly appreciated as we need to resolve this ASAP.
Thanks,
David
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Mar 5, 2006
Hello,
I am new user of SQL Server. I have some problems with these words. I want to make my database works in my specified permissions. I will specify permissions with schemas and these schema wants an owner. I want this owner should be my user. When creating a user it needs a valid login. I am selecting my login and it occurs and error says this login has an different user. I am specifying permissions with roles. But i can't make association all of them. I hope i told my problem to you as well. If you explain these words to me and tell me how can i do my database's works with my own schemas, users and roles i'll be grateful. Thanks for advices.
Happy coding...
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Jul 27, 2007
Hello Everyone,
Does SQL Server 2005 has a counterpart to Oracle 10G's Real Application Clusters (RAC)?
http://www.oracle.com/technology/products/database/clustering/index.html
Regards,
Joseph
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Aug 24, 2006
After reading Books Online, I am still confused with Database Role vs Application role.
My intention is to control the end users' authority on the database, where the end users will access through Winforms client application. With proper assignment of schema and database roles to an user, I believe this will enough to control the permisison of an user.
If this is the case, why Application role exists? When and why should I use Application Role? How is it different from Fixed Database Role?
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May 3, 2005
Hi! Can anyone say which ms sql server predefined roles are similar to the following oracle predefined roles: dba, connect, resource. I already know that sysadmin in MS SQL Server is the same as DBA in Oracle but what about the rest?
Thanks a lot.
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Jul 27, 2007
Hello Everyone,
Does SQL Server 2005 has a counterpart to Oracle 10G's Real Application Clusters (RAC)?
http://www.oracle.com/technology/products/database/clustering/index.html
Regards,
Joseph
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Nov 1, 2004
Hi there
Can anyone point me to a good tutorial or give me a run down on using Sql Application roles from my asp.net application. Books Online only give a run down on how to set it up - not how to implement or use it from my code. MSDN no help. Google - same thing.
Any help greatly appreciated.
Thanks in advance
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Mar 20, 2008
We have a distributed app that creates it's own instance of sqlexpress when installing. This prevents anyone with sa rights on another instance from accessing our data directly (HIPAA compliance concerns). We are currently looking into making our app easier to install, and want to be able to attach our database to existing instance (if one exists), but still prevent the sa account of that instance from directly accessing/viewing our data. Are application roles the way to accomplish this, is there another way, or is this even possible?
Thanks in advance.
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Jul 17, 2000
We are looking to make our applications as secure as possible. I am interested in how well Application Roles work to make security tighter.
Have you used Application Roles. If you have, I'd like to know if it helped provide better security or not and if it did, how was it implmented in you production environment. I already know how to get it set up, I'm just wondering if it's really worth the trouble.
Thanks!
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May 22, 2003
I may need to setup an application role(s) fro a SQL 2000 db that is being front-ended by VB6. There are 2 types of functions needed, and admin role with access to all tables, and a user role with access to only specific tables. I know from just a straight db roles, I could set up 2 roles, set their rights, and then add the users to these roles. My questions is if I need the same functionality for an Application role, do I need 2 Application roles, one for the admin, and the other for the user?
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Apr 30, 2007
I want to test Application Roles security for our project, I guess it serves the purpose.
But the quesion I have is if a developer who can look at the application code know's the "Password" can he set the password from Query Analyser and get acess to the database.
Thanks!
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Mar 13, 2007
Hello,
in SQL Server 2005 I have an application role that is being used to limit access to my server data from third party applications. Everything is working well, except changing the Application role password.
I set up a small form that allows an administrator to change the App Role password through the front end app. I cannot, however, seem to get the Password field in my approle to accept a parameter.
For example:
declare @newpassword varchar(128)
set @newpassword = 'foo'
ALTER APPLICATION ROLE MyApplicationRole
with PASSWORD = @newpassword
This procedure gives me a syntax error in the last line. It will accept a string in quotes but not a varchar parameter.
Ideas?
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Feb 12, 2007
Hi, Am migrating my SQL 2000 legacy app to SQL2005 and am dealing with restrictions on the underlying system tables. Have taken advice that Granting VIEW state to all users is heavy handed (especially meta data access at SERVER level). Now looking at Module signing which is great. I can supply SP's which target the few System table/ information schema fields that I require. Now I Sign the Sp's cool, now I grant exec rights to the application role (doesn't work). Create a db role and put my users in it, okay grant role exec on Sp's (fine they work).
However my application runs under an application role always, so my users rights are ignored and it appears that its only the users not the approles who can benefit from the module signing ? I know I can switch too and from approle using cookies but I seem to be going round in cirlces here.
Essentially is there any 'EASY' and 'CONTROLLED' way that my application user who has no rights, who immediately switches to the application role can see the dbName (All rows ) from master.sysdatabases ?
Thansk for any advice
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Aug 25, 2005
I have an application that segregates data into two differentdatabases. Database A has stored procs that perform joins betweentables in database A and database B. I am thinking that I have reachedthe limits of Application Roles, but correct me if I am wrong.My application creates a connection to database A as 'testuser' withread only access, then executes sp_setapprole to gain read writepermissions. Even then the only way 'testuser' can get data out of thedatabases is via stored procs or views, no access to tables directly.Anyone know of a solution? Here is the error I get:Server: Msg 916, Level 14, State 1, Procedure pr_GetLocationInfo, Line38Server user 'testuser' is not a valid user in database 'DatabaseB'The system user is in fact in database A and B.thanksJason Schaitel
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Oct 10, 2007
I am working in ASP.NET 2.0 and using sql server 2000 as backend . In my application i need to insert/update to oracle database table lying on different server. Please let me know how can i maintain two different connecttions to different databases lying on different servers.....
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Oct 10, 2007
I am working in ASP.NET 2.0 and using sql server 2000 as backend . In my
application i need to insert/update to oracle database table lying on
different server. Please let me know how can i maintain two different
connecttions to different databases lying on different servers.....
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Mar 14, 2008
My application which ran perfectly well yesterday suddenly stopped working in this morning with following error message. I didn't change anything, at least I believe. Interesting thing is that I don't use any Oracle connection but connects to MS SQL Server 2005 Express version locally. Error messages are different according to the connection string though I don't think it makes difference:
ConnectionString = <add key="Databasehandtool1" value="Data Source=.SQLEXPRESS;Database=handtool;SSPI=true" />ErrorMessage from VS2008 ="Unable to get records. Object reference not set to an instance of an object."
ConnectionString = <add key="Databasehandtool1" value="Data Source=.SQLEXPRESS;Database=handtool;User Id=handtool_DB;Password=mypassword" />ErrorMessage from VS2008 = "Unable to get records. Unable to connect to database. ORA-12154: TNS:could not resolve the connect identifier specified." By the way, the application was generated from IronSpeed 5.1 Enterprise. My development environment is : VS2008, SQL2005 EXPRESS, Windows XP SP2, ASP.NET 2.0
We have actually an Oracle server in the network though. My gut feeling is that something might have changed in my network server during the night but how come it can possibly affect my application running on my local PC. I checked the connection of local SQL Express Server from SQL Server Management Studio and it connected well with UserID=handtoo_DB and showed all tables and stored procedures required for the application. So there is no problem in SQL Server database side.
I would welcome and appreciate any input.
fudata
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May 20, 2004
How to connect to SQL server database from Oracle 9ias Application Server (9.0.3) & Test & Verify the Connection. Is it posible.
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Jun 16, 2006
Apologies if my post does not fit into this forum. I initially tried the SQL Server Data Access forum but I now think my question is more security related.
Is it possible for a web user who has been successfully authenticated with forms authentication to be authorised to use a SQL Server 2000 role depending on a particular ASP.NET 2.0 role that they have been authorised to use? I understand that that I can assign a SQL Server 2000 role to the ASPNET or NETWORK SERVICE account but this will grant access to anonymous web users to the database role. I can ensure that I only call stored procedures which access sensitive data in web pages that are in restricted by ASP.NET roles. However, it would be nice to also restrict stored procedures via the ASP.NET 2.0 Forms Authentication roles.
If this is not possible have you got any bright ideas how I could restrict access to stored procedures who are anonymous web users.
Many thanks,
Mark
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May 6, 2007
I'm developing an ASP.NET2.0 application which accesses a SQL Server 2005 Express database. I plan to use integrated security for access to the database.
I'm confused about the relationships between Windows groups, the ASP.NET web.config file <allow roles=.../> and SQL Server roles.
I would like to create a Windows group to which I can assign multiple users and grant that group access to a Web Site using windows authentication and also grant that windows group access to the database my web application uses.
I have gotten the combination of Windows Authentication to the web site and to the database to work for a specific windows user but I am having trouble determining the combination of database security entities I must create to allow access to my database by members of the windows group.
For a Windows user:
1. Create Windows user
In SQL Express
2. CREATE LOGIN FROM WINDOWS WITH DEFAULT_DATABASE =
3. CREATE USER FOR LOGIN
4. CREATE ROLE
5. EXEC sp_addrolemember <role-name> <user-name>
For a Windows group, what would be the equivalent commands necessary to grant a windows group access to my database? Specifying the Windows Group name in sp_addrolemember does not appear to be sufficient even though the documentation states that a windows group name is a valid value for the member name argument.
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Jan 30, 2007
Hi,
I would like to create the folders Sales, Orders and Credit under the Home folder.
The Sales folder contains a set of reports that should be accessible to a group of users, similarly Orders folder contains a set of reports that should be accessible to a group of users.
I do not have facility to create user groups in SQL Reporting Service. I create a user group in my machine (from Control Panel) but Reporting service is not able to view this group.
I am able to add individual users to a folder, but I would like to check if I can create a group and then add users to this group.
Any help in how to resolve this issue.
Cheers,
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Mar 28, 2007
Hi!
I have developed a database in MS SQL Server 2005 Express, to which I would require only bulkadmin server role from an external java application, because I only need to update rows, insert values or use select queries in the database.
The problem is that, using either the Microsoft JDBC Driver 1.1 or the Java JDBC ODBC Driver and the Windows XP Data Base (ODBC) configurations, I need a user with sysadmin server role inside Sql Server, otherwise JDBC won't connect to the database using the selected user. Even if I leave the sql login with setupadmin or any server role lower than sysadmin, the connection is refused.
Is there no way to connect using JDBC to MS Sql Server 2005 other than granting the connected user sysadmin rights? My code looks as follows:
Code Snippet
String driver = "com.microsoft.sqlserver.jdbc.SQLServerDriver";
String url = "jdbc:sqlserver://FIREBLADE\SQLEXPRESS";
String user = "username";
String password = "password$$";
Connection conn;
Class.forName(driver);
conn = DriverManager.getConnection(url,user,password);
if (conn != null)
System.out.println("SQL Server Connection established ...");
I have heard that Java JDBC connections to Microsoft require high-level access.
Any informed answer is more than welcome. Thanks for reading my post!
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Mar 2, 2006
I am in the process of locking down the SQL Server in an environment that is considered to be in production (pilot stages) and there is no staging or test environment that mirrors it. I need assistance in determining the server and database roles to assign to existing logins, most of which currently have sa and dbowner rights. Because it is not a development environment, I need to be sure that downgrading the server and/or database level permissions will not break any functionality.
I'm starting with the logins that have the SA fixed server role. These logins need to be able to install applications that require the use of a backend database, which will be stored on SQL Server. In addition, through the installation process a new login/password for the newly created database(s) is normally created. For the existing logins with the SA fixed server role, will downgrading to the securityadmin and dbcreator roles be sufficient to facilitate those needs, or are those too much/ too little? And should any user account ever be granted the SA role? If so, what questions could I ask to determine this need?
Since these install process for these applications usually prompt to install using SA or local system account to authenticate to SQL to create the new database(s), that account should have securityadmin and dbcreator roles to create the database and its tables, as well as add a new login to that database.
Please address this question, keeping in mind that the logins will only be performing the described actions, installing apps using SQL Server as the backend database and adding a login to that database (which may or may not be done during the installation process).
Thank you,
nu_dba
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May 16, 2008
I have been struggling with this for a while and cannot get it right. I have read countless articles on the internet as well as MSDN documentation about SQL Server 2005 and no success so far.
What I want is a database with multiple SCHEMAS, DATABASE ROLES and USERS in order to have a finer grade of security to access the various objects.
My schemas are (in order to simplify the situation and provide an example of the setup):
- [dbo] the standard DBO schema which is always default. Contains public objects.
- [com] a special module integrated into the system
- [ofc] contains objects used by back-office only
- [aud] contains objects used for auditing, etc.
Each of these schemas has their fair share of tables, views, functions and stored procedures which have been created appropriately (i.e. CREATE TABLE [ofc].[Addresses]), in other words prefixed by the name of the schema to which they belong.
Then I have created various database roles (don't confuse them with SQL2005 application roles) as follows:
- PublicRole mostly used for viewing, no data alterations
- WorkerRole used by front end processes that need write access to data in [dbo] and [aud]
- OfficeRole used by back-office for dealing with backoffice data (basically [ofc], [aud] stuff)
- AdminRole used by application administrator
Each of these database roles has been defined with owner 'dbo', none of them own any schemas. And last but not least to each of these roles I have selected the above named schemas (dbo, ofc, aud) as securables and for each of those securables schemas I have then given the correct set of GRANT/DENY on the Alter, Control, Delete, Execute, Insert, References, Select, Update, Take ownership and View definition.
As an example, the PublicRole role has been given the following permissions (Y=GRANT, N=DENY):
Table #1 of Application Permissions [dbo] [com] [ofc] [aud]Alter N N N N
Control N N N N Delete N N N N Execute Y Y N Y Insert N N N Y References Y Y N Y Select Y Y N Y Update N N N Y Take ownership N N N N View definition N N N N
And I have the following minimum set of database users defined (the server login has the same name):
- upublic, assigned to PublicRole
- uworker, assigned to WorkerRole
- uoffice, assigned to OfficeRole
- uadmin, assigned to AdminRole
As I understand when I assign these users to a particular custom Database Role, the users inherit the permissions granted to THAT role thus liberating me from having to assign the permissions to each and every user account on the same role.
What I expected was that when I logged in to the database with the upublic user account I would at least be able to view (SELECT at least) ALL the objects with the exception of those in th e[ofc] schema. Unfortunately the account is not able to access ANYTHING at all, I get an error like
"The SELECT permission has been denied on object XYZ, database DB, schema 'dbo'"
So, when I use Management Studio to look at the properties I selected the PublicRole and it showed the upublic user as a member of the role (Members of this role). So far so good.
Then when I switch to the Securables page for this role it shows all the schemas I defined and for each of them the same list shown in Table #1 except it has two lines for each permission, the first for Grantor dbo and the second for Grantor upublic. The first has the same permissions I assigned to the role (as shown on Table #1) but the 2nd does not show a checkmark on either GRANT or DENY!!! For example ([x] = checked, [ ] unchecked):
Table #2 Explicit permissions for Securable
Permission Grantor Grant Grant-with Deny
Select dbo [x] [ ] [ ] Select upublic [ ] [ ] [ ]
What am I doing wrong here? Apparently I then have to repeat the whole grant/deny for EACH and EVERY USER I define when the idea was that I would grant/deny on the database role and every member of that role would inherit those permissions automatically.
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Mar 5, 2008
Hi,
I have developed .NET application on 32-bit system with Oracle 10g and works very well. When I have deployed the application on the Client server I am getting the following error
"Attempt to load Oracle Cleint libraries threw BandImageFormatException. This problem will occur when running in 64 bit mode with the 32 bit Oracle client components installed"
I did have installed Oracle x64 bit client on the system still getting the same error. I have tried to uninstall the oracle instances and also installed ODACHome for .NET as well (64-bit). No luck so far.
I tried to use VS 2005 to connect to the Oracle instance and I still go the same error.
I tried to used the System.Data.OracleClient namespace with following code snippet
OracleConnection con = new OracleConnection();
con.ConnectionString = "Data Source=testdb; User ID=scott; Password=tiger";
con.Open();
con.Close();
Same error.
Is there any way that you guys know of or if anyone has come across this situation please advise me on how to over come this issue.
Thank you very much
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Feb 26, 2008
I'm attempting to use RDA to synchronize a pocket pc emulator with SQL Server 2005 database by following tutorial http://msdn2.microsoft.com/en-us/library/aa454892.aspx, which uses AdvWorksMobile database that comes with SQL Server 2005.
When get to testing of "To test application features " ( step 4 of the merge replication setup lab ), I am receiving SQLCe Exception errors.
ORIGINALLY, I was able to deploy an application and view the local database on the emulator, but once I clicked "InitSinc" button, I received an error.
"Failure to connect to SQL Server with provided connection information. SQL Server does not" exist, access is denied because the SQL user is not a valid user on the SQL Server, or the password is incorrect.
Found this error listed in Server Agent Errors log http://technet.microsoft.com/en-us/library/ms172357.aspx, but it wasn't very helpful since it doesn't provide any suggestions on fixing the problems.
I am brand new to SQL CE Server , mobile programming and .NET framework in general so please bare with me
All the connections / security settings, etc that were set up were taken from a tutorial so I am not sure what SQLCeServer is complaining about. Reading up on the error on the web didn't help, it all pointed to making sure that the snapshot folder had correct permissions set up. I verified that MACHINENAMEUISR_MACHINENAME guest user had Read rights to the database so I don't think that piece is the problem. Otherwise ,Merge publication has been setup in Microsoft SQL Server Management Studio by following the tutorial.
I am trying to run this sync on my home pc so there should be no issues with any user permissions
I have IIS installed
I did NOT have SQL Server Agent running in management studio at this time
I am trying to run this tutorial on an XP machine, which is my regular home PC so I dont think there are any special networking settings to consider
I am able to hit http://localhost/AdvWorksMobile/sqlcesa30.dll from my pc OK, but when I try to hit it from a cradled emulator ( after replacing "localhost" with "MACHINE_NAME" ), Internet Explorer on the emulator gives me a "Cannot Connect With Current Settings" error message. This part wasn't part of tutorial but decided so not sure if I am supposed to be able to hit it from my emulator..so I am not sure if the fact that I can't hit it is related to the problem.
AFTER STARTING SQL SERVER AGENTin Microsoft SQL Server Management Studio, I killed the application, and after relaunching it, it hits "The Specified table does not exist [Vendor]" error. This time it doesn't even launch first - that is I dont even get to pressing "InitSinc" button. Debugger is showing that this error is hit on the following line in AdvWorksMobile.AddWorksDataSetTableAdapters
int returnValue = this.Adapter.Fill(dataTable);
I am not sure why the errors changed on me after starting SQL Server Agent.
What can I do to fix this connection problem?
Thank you so much for your help!
Irina
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Mar 10, 2006
I need advice of a powerfull laptop can bear the future extensions ofOracle editions and implementing installations of all Oracle productson it ?
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May 23, 2007
I've got a table adapter that connects using an oracle data connector. In the adapter, I'm using native oracle SQL such as:
select TO_DATE(SUBSTR(TO_CHAR(weird_oracle_field),0,12),'YYYYMMDDHH24MI') as dt_added from oracle_data_table
There's also a CASE statement in there with some other data transformations.
Anyway, I want to take the results of that Oracle query and put the dataset into a SQL Server Compact Edition database - within an application that I'm creating in Visual Studio 2005.
For whatever reason, I can't seem to do anything like that in 'bulk' and there aren't any data migration tools that work with anything other than "full" SQL Server versions. My client doesn't support SQL Server, but I can deploy my app with SQL CE. I need a 'local' copy of the database (for several reasons) and just can't seem to figure out how to make this work.
I'm really going nuts. I feel like I'm soooo close when I see the data I want in the table adapter - but I can't seem to actually *move* the data over!!
Can anyone help?
thanks,
Jon
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Nov 22, 2007
We have Oracle-based enterprise resource planning (ERP) application that facilitates order entry, invoicing, dispatch, stock management, and purchasing. However, it took as much as 30 seconds to perform queries from the remote offices, which were linked via Frame Relay.
Any experiences or ideas shared will be greatly appreciated.
Best,
Steve
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