Multi Access In SQL Server
Jun 17, 2007
Hello,
I am working on an Access VBA application, working in client/server
mode, with a shared SQL Server base.
I have to INSERT some data in the base, and the know what is the ID
that SQL Server associated with my data in the table. So I need to do
the following
INSERT data INTO TABLE
SELECT MAX ID FROM TABLE (to get the ID)
but since I am working in client/server, if some DATA has been inserted
by another client after my INSERT, then MAX ID is not the convenient
ID of my data ...
Is there a way for me to get the ID when I do the INSERT, or to
lock/unlock the table before the INSERT and after the SELECT ?
Thank you for any hint about that.
--
L'ordinateur peut faire plus de calculs que le cerveau de l'homme car
il n'a que ça à faire
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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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Feb 10, 2007
Of all the Visual Basic.NET data access books that I have purchased and all the Internet site example code that I have reviewed, none have had any good examples of multi-threaded VB.NET code doing data access.
I am trying to avoid the non-responsiveness in a VB app while a simple data retrieval from SQL Server 2005 is in progress.
If anyone knows of any book titles or web sites that have example code (good or not) of multi-threaded VB.NET applications doing data access against Microsoft SQL Server (7, 2000, or 2005) or even against Microsoft Access(TM), it would be very much appreciated if you could provide the book title or URL to point me in the right direction.
The more examples the better.
Thanks in advance.
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Oct 25, 2006
I have developed two programs that operates against the same database. One of the program is just a display program that displayes the data put into the other administation program where you put in the data to be displayed (an administration program).
Every time I access the db from the administration program, the display program stops and throws connection pool errors and other database errors. For me, it looks like it does´t do multi-access to a database.
I have tried putting user instance to off in both programs, but this didn´t help.
Connection string also points to same file database.
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Sep 11, 2007
Please help....
I have designed an application that uses sql server 2005 express database. This application was intended to be installed and used on a local desktop machine. However, now this application needs to be also installed on several computers and still needs to use only 1 database. Part of the database saves local user settings, so what I have done thus far is use two connection strings: one for local database (because the application may be used as origionally intended) and one for remote database that everyone should be able to connect to.
When I remotely connect to the database, it works fine. However, it seems to be locked so when I chose the same database for another user I get the error message "This File Is In Use." I need to know how to unlock it and make it usable for several users at the same time.
Thank you for your help! Please let me know if you need more information or if something is unclear in my description.
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Jan 15, 2008
Hi all,
I have been pulling my hair trying to figure out what the guys at microsoft were thinking when creating the ADOX library. I have an access table that is syncronized with a SQL server. The table has a primary key with two columns [User] and [Program]. The SQL Server has both columns in as the primary key columns and I have a syncronization mechanism that is responsible for several things, one of which is to recreate the Access data structure. All works well for all tables except this one. I have tried to create the multi-column key in several ways, none that worked. Let me show you what I am doing:
CatalogClass catDCDLocal;
Column c;
catDCDLocal = new CatalogClass();
catDCDLocal.let_ActiveConnection(dbAccess.buildConnectionString(Settings.CattDCDLocalPath, Settings.SecurityDBPath, s.UserID, s.Password));
foreach (Table tbl in catDCDLocal.Tables) {
if (tbl.Name == "Users") {
/* This is retarded so need to clean up... Users table has a primary key consisting of 2 columns */
for (int i = tbl.Keys.Count - 1; i >= 0; i--) { //remove the keys
tbl.Keys.Delete(i);
}
for (int i = tbl.Indexes.Count - 1; i >= 0; i--) { //remove the indexes
tbl.Indexes.Delete(i);
}
tbl.Keys.Append("PrimaryKey", KeyTypeEnum.adKeyUnique, "User", "", "");
tbl.Keys[0].Columns.Append("Program", DataTypeEnum.adWChar, 6);
}
}
I have also tried:
tbl.Keys.Append("PrimaryKey", KeyTypeEnum.adKeyUnique, "User", "", "");
//tbl.Keys[0].Columns.Append("Program", DataTypeEnum.adWChar, 6);
Key k = tbl.Keys[0];
Column col = tbl.Columns["Program"];
//col.ParentCatalog = catDCDLocal;
k.Columns.Append(col, DataTypeEnum.adWChar, 6);
Nothing works for me ;-(
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Mar 27, 2007
I am new to Reporting Services and hope that what I am looking to do is within capabilities :-)
I have many identical schema databases residing on a number of data servers. These support individual clients accessing them via a web interface. What I need to be able to do is run reports across all of the databases. So the layout is:
Dataserver A
Database A1
Database A2
Database A3
Dataserver B
Database B1
Database B2
Dataserver C
Database C1
Database C2
Database C3
I would like to run a report that pulls table data from A1, A2, A3, B1, B2, C1, C2, C3
Now the actual number of servers is 7 and the number of databases is close to 1000. All servers are running SQL2005.
Is this something that Reporting Services is able to handle or do I need to look at some other solution?
Thanks,
Michael
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Sep 27, 2006
I'm a newbie have trouble using the "inserted" table in a trigger. When I run these SQL statements:CREATE DATABASE foobarGOUSE foobar GOCREATE TABLE foo ( fooID int IDENTITY (1, 1) NOT NULL, lastUpdated datetime, lastValue int, PRIMARY KEY(fooID))GOCREATE TABLE bar ( barID int IDENTITY (1, 1) NOT NULL, fooID int NOT NULL, [value] int NOT NULL, updated datetime NOT NULL DEFAULT (getdate()), primary key(barID), foreign key(fooID) references foo (fooID))GOCREATE TRIGGER onInsertBarUpdateFoo ON Bar FOR INSERTAS UPDATE Foo SET lastUpdated = inserted.updated, lastValue = inserted.[Value] WHERE foo.fooID = inserted.fooIDGO
I get the error message:
Msg 4104, Level 16, State 1, Procedure onInsertBarUpdateFoo, Line 4
The multi-part identifier "inserted.fooID" could not be bound.
I can get the trigger to work fine as long as I don't reference "inserted".
What am I missing?
I'm using Microsoft SQL Server Management Studio Express 9.00.2047.00 and SQL Express 9.0.1399
Thanks in advance for your help...
Larry
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Sep 23, 2014
Disaster Recovery Options based on the following criteria.
--Currently running SQL 2012 standard edition
--We have 18000 databases (same schema across databases)- majority of databases are less than 2gb-- across 64 instances approximately
--Recovery needs to happen within 1 hour (Not sure that this is realistic
-- We are building a new data center and building dr from the ground up.
What I have looked into is:
1. Transactional Replication: Too Much Data Not viable
2. AlwaysOn Availability Groups (Need enterprise) Again too many databases and would have to upgrade all instances
3. Log Shipping is a viable option and the only one I can come up with that would work right now. Might be a management nightmare but with this many databases probably all options with be a nightmare.
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Aug 17, 2015
More often than not, I typically don't touch DTC on clusters anymore; however on a project where the vendor states that it's required. So a couple things here.
1) Do you really need DTC per instance or one for all?
2) Should DTC be in its own resource group or within the instance's group?
2a) If in it's own resource group, how do you tie an instance to an outside resource group? tmMappingSet right?
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Feb 4, 2008
the stored procedure don't delete all the records
need help
Code Snippet
DECLARE @empid varchar(500)
set @empid ='55329429,58830803,309128726,55696314'
DELETE FROM [Table_1]
WHERE charindex(','+CONVERT(varchar,[empid])+',',','+@empid+',') > 0
UPDATE [empList]
SET StartDate = CONVERT(DATETIME, '1900-01-01 00:00:00', 102), val_ok = 0
WHERE charindex(','+CONVERT(varchar,[empid])+',',','+@empid+',') > 0
UPDATE [empList]
SET StartDate = CONVERT(DATETIME, '1900-01-01 00:00:00', 102), val_ok = 0
WHERE charindex(','+CONVERT(varchar,[empid])+',',','+@empid+',') > 0
TNX
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Jul 20, 2005
Hello,I am trying to construct a query across 5 tables but primarily 3tables. Plan, Provider, ProviderLocation are the three primary tablesthe other tables are lookup tables for values the other tables.PlanID is the primary in Plan andPlanProviderProviderLocationLookups---------------------------------------------PlanIDProviderIDProviderIDLookupTypePlanNamePlanIDProviderStatusLookupKeyRegionIDLastName...LookupValue....FirstName...Given a PlanID I want all the Providers with a ProviderStatus = 0I can get the query to work just fine if there are records but what Iwant is if there are no records then I at least want one record withthe Plan information. Here is a sample of the Query:SELECT pln.PlanName, pln.PlanID, l3.LookupValue as Region,p.ProviderID, p.SSNEIN, pl.DisplayLocationOnPCP,pl.NoDisplayDate, pl.ProviderStatus, pl.InvalidDate,l1.LookupValue as ReasonMain, l2.LookupValue as ReasonSub,pl.InvalidDataFROM Plans plnINNER JOIN Lookups l3 ON l3.LookupType = 'REGN'AND pln.RegionID = l3.Lookupkeyleft outer JOIN Provider p ON pln.PlanID = p.PlanIDleft outer JOIN ProviderLocation pl ON p.ProviderID = pl.ProviderIDleft outer JOIN Lookups l1 ON l1.LookupType = 'PLRM'AND pl.ReasonMain = l1.LookupKeyleft outer JOIN Lookups l2 ON l2.LookupType = 'PLX1'AND pl.ReasonSub = l2.LookupkeyWHERE pln.PlanID = '123456789' AND pl.ProviderStatus = 0ORDER BY p.PlanID, p.ProviderID, pl.SiteLocationNumI know the problew the ProviderStatus on the Where clause is keepingany records from being returned but I'm not good enough at this toanother select.Can anybody give me some suggestions?ThanksDavid
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Oct 6, 2015
I am setting up SQL 2014 always on. I was able to set up the replicas between 2 servers in the same subnet.Their IP addresses are say like this:
100.20.200.200
100.20.200.201
When I am trying to introduce another node into the cluster which has IP address like 100.10.101.102, I am getting an error that the server isn't reachable.
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Jun 3, 2015
As CM doesn't support SQL authentication, and if access SQL Server on another domain with no trust, we cannot use Windows authentication as well.
CM only supports Windows authentication, but for large organizations which will have multi domains.
I am thinking if there is no proper way/tool, we will develop one then.
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Oct 9, 2006
hi,consider this:i have american users in a db called "user" in a server called AMERICAand rest of the world users in a db called "user" in a server called OTHERhow can i do a join betwhen American's users and Rest of the word's User db?
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Aug 22, 2007
What is the effect of deploying Multi-Server instance on performance?
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Oct 1, 2007
We are currently managing about 75 SQL Server instances. Each instance contains jobs (backups, index work, admin, etc) which report back to a central instance for monitoring. This is working well, but each time I need to change one of the jobs, I am having to log into each instance to do so.
I have recently played with Multi-server Environment, using a master and target, to see if this might help. There is relatively little written about Multi-server in books-online, and I am left with a question.
All jobs appear to be exact duplicates. But I don't want exact duplicates. For example, on the various target servers, I would like for the backup jobs to run at different times, and write to different directories. How are the rest of you working around this situation, if you are using Multi-server Environment?
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Nov 8, 2007
We're moving in a 4-socket (Xeon Dual Core CPU's) server. What version and product of SQL Server should I be looking for to fully take advantage of the new server's 4 processors. I'm not sure I understand the licensing per CPU. Is there any advantage in waiting for SQL Server 2008 as it concerns multi-threading and what should I be looking to spend for a SQL server solution that utilizes all four processors. Someone has told me that the SQL Server standard edition comes with 4 cpu licenses. Is this correct?
Thanks, Rob Huylo
Rob21379@aol.com
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Oct 12, 2000
Can anyone help me how to extract data from two different SQL servers? Both the servers are alredy registered on my local machine.I need to select data from one database on Server1 and insert the same in a table in another database of Server2.Names of the servers are abc-efg-hij and 143.89.55.67.
Thanks for any help!
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Jan 6, 2004
My company uses a quad processor server connected to a SAN to load and summarize detail sales information from 2000 stores on a nightly basis. We poll and load around 5,000,000 rows of data each night. THis information is summarized up to various levels, then replicated to one or more secondary datamart servers for end user access via web reporting, BI tools like Proclarity/Analysis Services etc...
The initial data polling server is only touched by the development staff supporting the process (1-5 programmers) and is licensed for SQL server Enterprise using a CAL model. Each datamart server is licensed with MS SQL server processor licenses.
The question: We were told that the quad processor polling machine, which has no end user access allowed, must be licensed with processor licenses since it touchs the data ultimately consumed by end users. This makes no sense to me.
The Microsoft white papers discussing multi_tier environments don't seem to address this type of issue. They focus on applications that ultimately pass thru a data request to the SQL server machine. In this situation, user requests are handled by the datamart servers, which are licensed with processor SQL licenses.
Can anyone clarify?
Thanks, Mike
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Jan 17, 2008
Hi,
This is chirag patel.
we are going to develop web application which can disply data (Search Results) in different language.
if user selected country Japan, then search results should be in Japanese.
if user selected country Chian, then search results should be in Chinese.
now i want to store all these read only data in Database. how and where i can store it?
do i need to have different Databases? or with single database also i can achive?
I means what is advisable approach to achieve this?
if Single Database for all countries then how i can store same data in different languages in single table?
please guide me if anyone know how to achive such kind of scenario in SQL Server?
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Jul 4, 2007
We have a setup with a web server and multiple databases, and a live, stage, and dev environment. We use SQL Server standard 2005 and use the ASP.NET ReportView control. I have spent countless hours now trying to get this to work and am about to give this up and go back to Crystal.
First I wanted a report that would work from dev to stage to live without modification, so we set up shared data sources on each environment to point to the appropriate database. No problem, I can publish it to each environment and it works, though sometimes I have to go into Report Manager and fix the data source.
Next I wanted to be able to work with multiple databases, identical in structure. For this we did a hidden parameter with the database name and used a formula for the query string. This works pretty well.
Next I wanted to be able to run against multiple database servers from a single web server. This has been nearly impossible. I've read a million posts about this, and nothing seems to work well. I've tried a dynamic connection string, and passing the server in as a parameter, but this doesn't work, because I can't get the credentials set on the ReportViewer.ServerReport, so it doesn't work from dev to stage. You can't programatically change the shared data source - that would make it too easy. Linked servers are not an option.
I guess I need to either publish a copy of the report for each database server, or set up an instance of SQL on the web server for each database server.
Any other reasonable options out there. I just can't imagine my setup is all that unique.
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Jun 8, 2007
I get this error in a web farm environment:
Validation of viewstate MAC failed. If this application is hosted by a Web Farm or cluster, ensure that <machineKey> configuration specifies the same validationKey and validation algorithm. AutoGenerate cannot be used in a cluster.
I googled and found a bunch of references to .NET apps, but I wasn't sure how to fix it in SSRS.
Has anyone else experienced this?
Thanks!
BobP
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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.Â
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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Sep 28, 2007
Hi All!
I setup MS SQL Server 2005 first and then I setup MS SQL Server 2000 with instance 'Myname' and the I created 2 database in SQL Server 2005 and 2000, When I Write an application in .NET 2005 to connect to MS SQL Server 2005 it ok, but it's not ok in sql Server 2000 and appear the error:
System.Data.SqlClient.SqlException: Snapshot isolation transaction failed accessing database 'TustenaOS' because snapshot isolation is not allowed in this database. Use ALTER DATABASE to allow snapshot isolation. at System.Data.SqlClient.SqlConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.SqlInternalConnection.OnError(SqlException exception, Boolean breakConnection) at System.Data.SqlClient.TdsParser.ThrowExceptionAndWarning(TdsParserStateObject stateObj) at System.Data.SqlClient.TdsParser.Run(RunBehavior runBehavior, SqlCommand cmdHandler, SqlDataReader dataStream, BulkCopySimpleResultSet bulkCopyHandler, TdsParserStateObject stateObj) at System.Data.SqlClient.SqlCommand.RunExecuteNonQueryTds(String methodName, Boolean async) at
How to connect to MS SQL Server 2000. Thanks
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Apr 21, 2008
While attempting to script out some multi-server jobs I am receiving this error:
TITLE: Microsoft SQL Server Management Studio
------------------------------
Script failed for Job 'my job name'. (Microsoft.SqlServer.Smo)
For help, click: <link removed to keep message width to a normal size :)>
------------------------------
ADDITIONAL INFORMATION:
Unable to cast object of type 'System.DBNull' to type 'System.String'. (Microsoft.SqlServer.Smo)
------------------------------
BUTTONS:
OK
------------------------------
This happens on any multi-server job. The reason behind needing to script this is the current database server that acts as our master server for SQL Server jobs is being replaced. I figured it would be easy enough to script out the job on the old server and run it (with minimal modifications) on the new server. Now, if I create any of these jobs manually on the new server and try to script it, it works just fine. Any ideas what might be the issue here?
I've tried doing it via SSMS from multiple servers and the issue persists.
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Nov 23, 2005
Hi,I have SQL SERVER 2000 SP4 Enterprise , Windows 2003Enterprise onXeon 4 Processors (now with multi-threading CPU) and I havequestions whichseem weirds to me (used to have the same config withoutMulti-Threading) as following:1. SQL Server see 8 CPUs. Is this because ofmulti-threading CPUs ?2. when use SP_WHO2 ACTIVE ,2.1 Result has user SPID , which blockitself(it is UPDATE and SELECTstatements, most often)2.2 Result has user SPID , show morethan one result rows withthe same processe and command3. when use Properties of SQL Server , it has anerror 15407 in log.many thanks in advanceNiponW
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May 22, 2008
I would appreciate help on how to setup database on server B when SQL Server is located on server A of a multi-server network. I am a novice.
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Mar 27, 2008
I am new to SQL Server but have been using Access to provide Multi-User acces to a central data store. We are evaluating the replacement of Access with SQL Server. With Access we don't need any special installation; I believe that the Jet Database Engine installed locally on each user's PC allows them to work with this in a disconnected manner; we use ADO.net 2.0 with VB.net 2005.
If each user has a locally installed SQL Server Express can they all attach to a database that resides on a shared network location?
In another post on the Forum I see the following regarding multi-user access:
Our application You will need to pick a central computer that everyone will be using the access the data and attach the file to the parent instance of SQL Express on that comuter, giving it a name that you can use to access it. Then you will need to modify your connection string to connect to the named database on the central server...
Can multiple locally installed SQL Server Express instances attach to a single data store that resides on a shared network location?
If not, what permissions do I need to create a parent instance of SQL Server Express?
Thank you for helping me understand how to implement our solution.
JudiR
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Jul 3, 2015
I wanted to know if there's a limit on how many targets I can manage in Multi Server Administration.In addition, are there any known limits regarding managing SQL instances with different versions (SQL 2005,2008,2008R2 and 2012).
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Oct 10, 2007
I marked a server as master in a multi-server jobs environment, but how can I remove it? this server should be a target server.
SQL Server 2000
Thanks
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Jan 31, 2008
Hi
I have transfer data from Oracle to SQL Server the data contains english and some german charactor and the data in oracle has UTF-8 unicode format
Please tell me how i can import the data as SQL Server 2005 is not supporting UTF-8
Regards
S.S.Satyanarayana
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Nov 29, 2007
Hi all,
Could some one help me with the below issue:
I have set up our webserver along with the database in one machine, (machine1) and the SQL 2005 Reporting server in another (machine2). When a page hosted in machine1 is accessed:
1. The page uses a reportviewer control to fetch and show the report.
2. The reports are fetched from machine2.
3. machine2 inturn fetches the data from DB setup in machine1, populates the report and sends it back to the report viewer in machine1.
The problem I am facing is that whenever a report related page is accessed from machine1 it comes up with the below error:
"The permissions granted to user 'machine1IUSR_machine1' are insufficient for performing this operation. (rsAccessDenied)
Thank you,
Regards,
Praveen
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