Transaction Support Across Tasks Accessing Two Different Databases
Apr 7, 2008
I am trying to determine if it is possible to add transaction support for a SSIS package. Here are the basic tasks:
Read New/Updated records from SQL Server
Update changed records in Access
Insert new records into Access
Update new records in SQL Server with Access key assigned on insert in previous step
Reset dirty_flag
I would like to wrap a transaction around this. If the package fails in the task that updates sql server with the Access key, the next time it runs, it duplicates the new records in Access because it did not finish the process. Is it possible to have a transaction wrap this entire process so I can undo the inserts to Access if I fail any subsequent tasks?
Thanks,
Steve
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Feb 6, 2008
Hi
I have a script component task that uses a column (which contains filenames) as input,
my problem is i cant access this in the script ? the column name is "Document"
and i've tried Me.ProcessInput("Document")
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Oct 25, 2007
Does anyone have any piece of sql that can help with the following.
1. I have to perform repetitive tasks across about 13 databases on 13 different servers involving
a. Alter table drop constraint
b. Alter table drop column
Is there anyway i can pass the database connection details into a procedure and run the task from one database and execute these tasks?
This means I do not have to physically log into the different servers and execute these tasks.
Thanks.
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Sep 16, 2006
Hi, I am developing a small asp.net application where I read from a readonly omnis database via odbc then dependant on user input write records to a second database.My first idea was to use an odbc connection to Omnis database and write to ms sql database. There is quite a few queries that need to be made to the Omnis database and I am binding a datagrid to the MS Sql server database. I was hoping to use stored procedures to update the mssql tables. So there will be much opening and closing of connections. Should I go down that road or should i think of using an Access database, with linked table to the Omnis database, then only one connection needs to be made. And I can store my information in the Access database tables. Thanks.
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Apr 12, 2006
I'm new to databases as you probably can tell. A friend sent me three data bases, which in my mind should have been one database with all the tables included, but he didn't. So my question is, can you pull info from two databases in the same query?
I write the query acessing one database and the result chart must depend on a where predicate based on accessing tables in another database. If this isn't possible, how do I get the tables I need together, that presently reside in differing databases?
Thanks for the help in advance.
Milfredo
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Nov 30, 2006
Hi everyone,
First of all I'd like to say I'm new to the forums, and in fact new to ASP.net.
I've had a couple of applications running in VB.net for the last year or so that I now am looking to move on and into ASP.net (main reason is to do with implementation to remote sites in foreign countries).
I'm currently following through the "Working with data and ASP.net 2.0" walkthrough on this site, which I must say has been a great help.
I'll start with the background stuff first
I have my main database on an SQL server. I also have 2 other databases on there - Customer and Employee. The reason for these are that they are shared amongst my VB applications and I kept them as seperate databases so that one database is all that needs to be administered and maintained, and these changes are then seen on both apps (takes away redundant data as well).
In my main database, main table, is a field called CustomerID. This value relates to the CustomerID in the Customer table. In my VB app all I do is have the user select a customer name, and then the customer ID value is copied to the CustomerID field of my main table when inserting / updating a row. This is simply accomplished with 2 SQL connections and 2 dataAdapters. I also use 2 dataSets - one for Customer, one for WorkRequests (the main database)...
I use ComponentOne stuff so that my grid will show the CustomerName instead of the CustomerID etc, and the same applies when I use my Employee database - I run many dataAdapters to this for things such as Account Manager, Technologist, Creator, UpdatedBy etc etc.
Now, I'm new to VS 2005 - my apps were created in VS 2003 and .net 1.1. Can I easily re-create my apps in ASP.net? My primary goal at the moment is to make sure I can load a row, and display the "lookup" values instead of the "integer" value. As my tables are in seperate databases, I would like to know the best way of accomplishing this, if it is of course possible.
Help and advice much appriciated.
Kind Regards,
Luke
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Apr 10, 2002
hello,
i have a simple question and i am not familiar with sql7.
is it possible to access a sql server 6.5 from the admintools installed with sql 7.0
thanks
klaus
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Jun 21, 2006
Hi,I have 2 stored procedure 1st insert the data in parent tables and return the Id. and second insert child table data using that parent table id as paramenter. I have foreign key relationship between these two tables also.my data layer methods somewhat looks likepublic void Save(order value){using (TransactionScope transactionScope = new TransactionScope(TransactionScopeOption.Required)) { int orderId = SaveOrderMaster(value); value.OrderId = orderid; int childId = SaveOrderDetails(value); //complete the transaction transactionScope.Complete(); }}here 1. SaveOrderMaster() calls an stored procedure InserOrderData which insert a new record in order table and return the orderId which is identity column in Order table.2. SaveOrderDetails() call another sotored procedure which insert order details in to table "orderdetail" using the foreign key "orderid".My Problem:Some time the above method works correctly but when i call it repeatledly (in a loop) with data, some time it gives me foreign key error which state that orderid is not existsin table Order. This will happen only randomly. I am not able to figureout the reason. does some one face the same problem. if yes, what could be the reason and/or solution.
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Aug 16, 2007
Dear all,
We have connected a Access to a MS SQL Server 2005 as a Linked Server with the followoing settings:
1) Provider: Microsoft Jet 4.0 OLE DB Provider
2) Product Name: Access
3) Data source: X:XXXXX.mdb
4) Provider string: ;pwd=YYYYYY;
5) Collation Compatible: False
6) Data Access: True
7) Rpc: False
8) Rpc Out: False
9) Use Remote Collation: True
10) Collation Name:
11) Connection Timeout: 0
12) Query Timeout: 0
We found that when cannot have any insert/update/delete statement for this linked server if transaction is began. Otherwise, we will have the following exception.
============
Msg 7390, Level 16, State 2, Line 1
The requested operation could not be performed because OLE DB provider "Microsoft.Jet.OLEDB.4.0" for linked server "ZZZZZZ" does not support the required transaction interface.===========
We wonder whether the problem is because Access does not support distributed transaction. If so, do you know any workaround will work for us?
Thanks and regards,
William
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Sep 13, 2015
i need to change the production database structures with multi language Support , datatype from VARCHAR to NVARCHAR in all SQL Objects SQL Objects: Tables, Functions, Stored Procedures...Some of production Tables with 15 Croces records with 10 indexes.how to change the entire databases through SQL scripting
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Jan 6, 2006
Dear All,
Can someone let me know how I can have a look at the transaction log in SQL server. I'd like to find out what INSERT, UPDATE, DELETE commands have been executed on a table today, yesterday etc.
Can I see this easily?
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Jul 23, 2005
Hello all. I have just built another PC (New PC)and have it connected to myOriginal PC via a LAN. I have my SQL Server 2000 installed on the OriginalPC. Both PCs use WinXP Pro OS. I believe I now have to install the ClientTools on the New PC but after that, how do I access the SQL Server that ison the Original PC. The SQL Server is setup with mixed (both WindowsAuthentication and SQL Server Authentication). Just how do I use the SQLQuery Analyzer that I just installed on the New PC to connect to andretreive data from the SQL Databases which are on the Original PC? Thanksin advance for any help, Jim.
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Sep 17, 2007
Hey, Everyone - I have downloaded two of the sample databases and get the following error when I attempt to open them:
Unable to open the physical file "c:Program FilesMicrosoft SQL ServerMSSQL.1MSSQLDATAAssets_Maintenance_log.ldf". Operating system error 2: "2(The system cannot find the file specified.)". (Microsoft SQL Server, Error: 5120)
So what am I doing wrong? The install of these sample databases is simple and straight-forward.
Thansk!
Regards,
Bob Mitchell
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Jul 23, 2006
Here is the text I do not believe is correct or at the least misleading...
"If you want to terminate the external transaction from within your stored procedure or function. In this case, you call the Transaction.Current.Rollback method. "
You cannot terminate transactions declared in TSQL in SQLCLR routines.
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Nov 22, 2007
Hello,
My next project(in VB.NET 2005) would involve accessing different DBs and tables in remote SQL servers
What are the steps that need to consider first? Are there any settings that needs to be done in the servers?
k
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Apr 11, 2007
Hello,
I've written this stored proc, which have to collect records in one table in several databases. These tables contains very few records (1 to 10 max). In SQL Server standard edition, this stored proc is executed instantaneously. But in the Express, it could take 1 minute.
Is there a solution to this problem ?
Thanks in advance,
Best regards,
Guy
ALTER procedure [dbo].[SP_CHECK_USERS]
AS
select 'FIDUCIAIRE' as code,moment,nom,machine from MERCATORFIDUCIAIRE.dbo.sessions s1 where (s1.inactif=0) and (s1.nom<>'MercatorIshop')
union select 'TEST1 ' as code,moment,nom,machine from MERCATORTEST1.dbo.sessions s2 where (s2.inactif=0) and (s2.nom<>'MercatorIshop')
union select 'TEST10 ' as code,moment,nom,machine from MERCATORTEST10.dbo.sessions s3 where (s3.inactif=0) and (s3.nom<>'MercatorIshop')
union select 'TEST11 ' as code,moment,nom,machine from MERCATORTEST11.dbo.sessions s4 where (s4.inactif=0) and (s4.nom<>'MercatorIshop')
union select 'TEST12 ' as code,moment,nom,machine from MERCATORTEST12.dbo.sessions s5 where (s5.inactif=0) and (s5.nom<>'MercatorIshop')
union select 'TEST13 ' as code,moment,nom,machine from MERCATORTEST13.dbo.sessions s6 where (s6.inactif=0) and (s6.nom<>'MercatorIshop')
union select 'TEST14 ' as code,moment,nom,machine from MERCATORTEST14.dbo.sessions s7 where (s7.inactif=0) and (s7.nom<>'MercatorIshop')
union select 'TEST15 ' as code,moment,nom,machine from MERCATORTEST15.dbo.sessions s8 where (s8.inactif=0) and (s8.nom<>'MercatorIshop')
union select 'TEST16 ' as code,moment,nom,machine from MERCATORTEST16.dbo.sessions s9 where (s9.inactif=0) and (s9.nom<>'MercatorIshop')
union select 'TEST17 ' as code,moment,nom,machine from MERCATORTEST17.dbo.sessions s10 where (s10.inactif=0) and (s10.nom<>'MercatorIshop')
union select 'TEST18 ' as code,moment,nom,machine from MERCATORTEST18.dbo.sessions s11 where (s11.inactif=0) and (s11.nom<>'MercatorIshop')
union select 'TEST2 ' as code,moment,nom,machine from MERCATORTEST2.dbo.sessions s12 where (s12.inactif=0) and (s12.nom<>'MercatorIshop')
union select 'TEST20 ' as code,moment,nom,machine from MERCATORTEST20.dbo.sessions s13 where (s13.inactif=0) and (s13.nom<>'MercatorIshop')
union select 'TEST21 ' as code,moment,nom,machine from MERCATORTEST21.dbo.sessions s14 where (s14.inactif=0) and (s14.nom<>'MercatorIshop')
union select 'TEST23 ' as code,moment,nom,machine from MERCATORTEST23.dbo.sessions s15 where (s15.inactif=0) and (s15.nom<>'MercatorIshop')
union select 'TEST3 ' as code,moment,nom,machine from MERCATORTEST3.dbo.sessions s16 where (s16.inactif=0) and (s16.nom<>'MercatorIshop')
union select 'TEST4 ' as code,moment,nom,machine from MERCATORTEST4.dbo.sessions s17 where (s17.inactif=0) and (s17.nom<>'MercatorIshop')
union select 'TEST5 ' as code,moment,nom,machine from MERCATORTEST5.dbo.sessions s18 where (s18.inactif=0) and (s18.nom<>'MercatorIshop')
union select 'TEST6 ' as code,moment,nom,machine from MERCATORTEST6.dbo.sessions s19 where (s19.inactif=0) and (s19.nom<>'MercatorIshop')
union select 'TEST7 ' as code,moment,nom,machine from MERCATORTEST7.dbo.sessions s20 where (s20.inactif=0) and (s20.nom<>'MercatorIshop')
union select 'TEST8 ' as code,moment,nom,machine from MERCATORTEST8.dbo.sessions s21 where (s21.inactif=0) and (s21.nom<>'MercatorIshop')
union select 'TEST9 ' as code,moment,nom,machine from MERCATORTEST9.dbo.sessions s22 where (s22.inactif=0) and (s22.nom<>'MercatorIshop')
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Mar 1, 2006
I am using VS 2005 to develop a Pocket PC 2003 application and for some reason I dont have the ability to assign my datasource to a SQL Mobile Database?
When opening Server Explorer, right clicking Data Connection, Add New Data Source, Change Data Source, the only options I get are
Microsoft Access Database File
Microsoft ODBC Data Source
Microsoft SQL Server
Microsoft SQL Server Database File
Oracle Database
<other>
I was trying to follow the tutorial
Step by Step: Developing a SQL Mobile Application with Visual Studio 2005
and SQL Server 2005 (http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnppcgen/html/med302_msdn_sql_mobile.asp)
and in that tutorial when they do the exact same thing it shows a screen shot that also lists 'Microsoft SQL Server Mobile Edition'
Any ideas why I dont have that option? FYI, I have SQL Server 2005 and have installed SQL Server 2005 Mobile Edition.
Thanks
Mike
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Aug 8, 2006
I have several database files, all in the same directory. I want to write SQL statements that access two databases at once. For example, if only one database would be involved, I would write:
SELECT Test_Source_ID_column, Data_column
INTO Test_Destination_table
FROM Test_Sources_table
The above query copies two columns (Test_Source_ID_column and Data_column) from Test_Sources_table into a brand new table called Test_Destination_table.
Now the above query is fine for both the old and new tables being in the same database. But what if Test_Sources_table is in file Old.dbf and I want the new table Test_Destination_table to be in New.dbf?
Both Old.dbf and New.dbf are in the same directory. Therefore, there is no security issue about using ......etcpasswords. I should therefore be able to use relative paths. So, I also want to know how I can do that select on two databases in the same directory without typing long, long paths.
Is there a way to do queries that access multiple database files (all database files being in the exact same directory) AND use relative paths or no paths (and certainly not type a full path)?
NOTE 1: I'm using SQLEXPRESS, therefore do not have the SQL Server 2005 tools. I have Visual Studio 2005 Developer Edition with its tools.
NOTE 2: One table is accessed through ODBC. The other table is accessed through SQLEXPRESS.
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Dec 9, 2005
I have both used the Data Connection Wizard and tried programatically to
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May 16, 2006
Hi ,
I have around 5 databases with same structure used to store data for different locations and services.
I have created an intermediate database which will have all the stored procedures to access data from above 5 databases.
My queries are common to all the databases. so,I would like to pass database name as an argument to my stored proc and execure query on specified database.
I tried this doing using "USE Databasename " Command. but it says ...We can not use "USE command " in stored proc or triggers. so ..what i did is ..
--------------------------------------------------------------------------------------------------------------
CREATE PROCEDURE TestDB_access(@dbname varchar(100))
AS
BEGIN
DECLARE @localDB varchar(100)
Set @LocalDB=@dbname
if @LocalDB='XYZ'
EXEC ('USE XYZ ')
elseif @LocalDB='ABC'
EXEC ('USE ABC')
Select * from Mytable
END
---------------------------------------------------------------------------------------------------------------
When I run this from my database , it gives me an error "unable to find table "mytable".
What is the best way to make my queries work with all the databases.
Thanks in advance
Venu Yankarla
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Aug 23, 2006
I'm trying to run an SSIS package. The package runs on an SQL 2005 server on Win2k3 server. The package tries to connect to another win2k3 server with sql 2000 to retrieve some data. However, I recieve the errormessage shown in the topic.
I found info about modifying the MSDTC security settings under "component services" and did so. I made sure everything was allowed. However, the result was the same. Does anyone have any other idéa about what could cause this problem?
PS. The package works fine if I set up both databases on the same physical machine...
Regards Andreas
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Nov 4, 2015
After I watch a video for how to create MS SQL Replication, I configure distribution and create the publication. The problem comes from subscription. If I create a "PUSH" subscription, it works fine. However, when I create a "PULL" subscription, I got the following error. Where I should look for solution for this error.
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Mar 6, 2008
Based on our database infrastructure, we need to secure our SQL databases. The security issue concerns on allowing a limited number of Domain Admin users to access the SQL databases.
We tried certain ways, based on the documents in the Microsoft web site, but we couldn€™t reach to the point of preventing the Domain Admin users accessing the SQL databases.
Thanks in advance.
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Nov 8, 2015
We have a system that uses 3 databases, one for Membership db standard MS membership only the application has access to that data, one with User Data which we would like to make multi-tenant using Schema-Separation, and a third read-only reference db which is Common Market data for all users.we anticipate Tenant numbers in the thousands.Current we have multiple queries which create joins between the Main db and the Reference database using something like
Selec S.*, M.ScheduleDate, M.substation from Sites S left outer join Market.dbo.MarketUnit M where S.MarketUnitID = M.MarketUnitID
i'm planning to have a new schema for each Tenant on the Main Database, so I would create a Schema T1 for the first customer, a user T1User with access to T1 schema. and grant T1User access to Market.dbo. My First question is are there any concerns about the above T1User setup? My second question is, are there any tools which would automate the setup of the multi-tenant with schema separation, or should I just script the whole Main Database schema creation and replace schema name globally and then execute the script?
My Third question, how about upgrade and updates... currently using VS to compare dev/qa/prod database to identify changed which need to be promoted, and pushing updates... this could be a big pain to promote code to thousands of Schemas. grantedwe will likely keep the overall number of schemas spread over different SQL servers.
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May 30, 2007
I am trying to configure distributed transaction and XA support using Microsoft SQL Server 2005 JDBC Driver. I have coppied SQLJDBC_XA.dll from XA directory and placed in my sql server binn directory and trying to run the script xa_install.sql from binn directory with command as below :
C:Program FilesMicrosoft SQL Server80ToolsBinn>
osql -U sa -n -P admin -S localhost -i C:JavaLibrariesMS SQL Driversqljdbc_1.2enuxa xa_install.sql
But I am getting error saying :
[DBNETLIB]SQL Server does not exist or access denied.
[DBNETLIB]ConnectionOpen (Connect()).
when I replaced local host with the machine name it gives error :
[Shared Memory]SQL Server does not exist or access denied.
[Shared Memory]ConnectionOpen (Connect()).
where in I am able to test connection from Websphere using the same connection.
Please help some one ....... I am in URGENT need.... I need to enable XA suport for my application to run........
Thanks ----
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Jul 23, 2005
Is it possible to wrap a transaction across 2 database? For example:BEGIN TRANSACTION.... alter something in Database_1.... alter something in Database_2COMMIT TRANSACTIONor if there is any error:ROLLBACK TRANSACTION
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Apr 9, 2007
Hi All,
Pandon me for asking such question, I am still a beginner to ASP.NET.
I have a project that require me to do single operation that is suppose to update two databases, wonder how do I maintain transaction between these two databases? Please advise, thank you!
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Feb 29, 2008
Hi all,
can anyone tell me if an oleDb connection (provider is Jet 4.0 to Access database) can be enlisted in a Distributed Transaction?
The goal is to copy data from SqlServer to Access within a transaction.
Pier
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Jun 23, 2006
I have an existing database with approx 500,000 rows and accessed by afew hundred users per day creating approx 1,000 new records per dayplus typical reporting - relatively low volume stuff for SQL Server.I'm about to add a process that will be importing data daily fromlegacy databases and summarizing it for reporting purposes, integratingit with the existing database. This volume of data will be considerablyhigher, perhaps 100,000+ rows per day, which will be deleted once ithas been summarized and the results written to some intermediatetables.Is there any concern about mixing different levels of volume within onedatabase? As I'll be creating lots of rows daily and then deleting themI was wondering about fragmentation, transaction logging etc. andwhether having this processing in a separate database from the mainapplication would be 'better'.
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Jul 20, 2005
We have two db's. One live and one test.When I right click on the live one in SQL Enterprise Manager andselect properties -> Data Files ->File Name is LIVE.MDFLocation is F:DataLIVE.MDFWhen I right click on the test one in SQL Enterprise Manager andselect properties -> Data Files ->File Name is LIVE.MDFLocation is F:DataTEST.MDFSame thing applies to Transaction log files too.My concern is File Name is same in both the above cases even thoughthe location is different. What are the consequences of this.Thanks for your helpGVV
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Jun 26, 2015
I am using alwayson on my SQL 2012 databases. I am using ola hallengren scripts for backing up databases. Full & diff db backups work fine, but the log is not getting backed up. The tran log backup job doesn't error out too. Trying to figure out what I may be missing?
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Dec 5, 2005
Reader Community
I've just started hosting my newly created Microsoft Visual Web Developer 2005 Express Edition web site. Unfortunately the Login group membership functions will not function correctly. Having contacted the web service hosting provider, They replied: "We do not support SQL express2005. The only way to use the extra functions of ASP.NET2 such as group membership is if it is using an SQL 2000 database to connect to. "
Is it possible to design web sites with Microsoft Visual Web Developer 2005 Express Edition that store membership details on an SQL 2000 database?
I've just paid £88 approx. $140 for a years subscription, have I chosen the wrong web service hosting provider?
Should I have designed the web site with a better web site design software tool that also makes designing membership login functionality easy, just as Microsoft Visual Web developer 2005 express edition?
Look forward to all comments?
Regards
Philip
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May 15, 2015
We have multiple databases on a single instance in an OLTP environment. I have my data files on a separate SAN LUN from my transaction log files (and a few NDFs split out onto additional LUNs). I was wondering if there is a performance benefit to putting each LDF file on its own LUN? Or at least my few busiest LDFs?
We are currently on 2012, but I'm having to put together specs for a 2014 installation and need to answer this question without having an environment in which I can benchmark different setups. I just want to hear whether or not others have done this (why or why not?).
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