I have a process that is running on a windows service that feeds a web applications database. While the windows service is processing the data the web application can't get to the data, this causes a minute or two delay, no so bad if it didn't happen every two minutes. What I am wondering is if I can set something on the ado.net transaction object that might get me around this problem. I don't know if i want a dirty read, because that would cause the web app to have exceptions. Any tips around this would be great. Thanks in advance
I have some client application that connects directly to the database... For each time:00 this application runs in each client inserting about 2000 registries that belongs to that client in the same table... But for some clients, this error appears: "Transaction (Process ID 67) was deadlocked on lock resources with another process and has been chosen as the deadlock victim"
Is there a way make it work correctly ? I can't change the application...
Hi, I have a table that has among others, two columns that make up a unique index on a table. The first: ParentID, is the foreign key from another table, the second: ItemID, is a sequential counter for that ParentID. So, I will have the following in my table:ParentID ItemID1 11 21 32 12 2etc.When I want to add a new row to the table, I need to calculate the new ItemID to insert into the table. When this is calculated, I want to ensure that no other records are inserted in the table until I insert mine. My stored proc currently does roughly the following:BEGIN TRAN...Set @ItemID = (SELECT Max(ItemID) From Table1 (TABLOCKX) WHERE ParentID..... + 1INSERT Table1 ......If No ErrorCOMMIT TRANelseROLLBACK TRANThe sp works but I don't know how the lock works: does it last until the transaction is committed/ rolled back or just for the duration of the select?Thanks in advance.
Would table1, table2 and table3 in code below, be locked with a shared lock from start of transaction to the end of transaction Or they would only be locked for the duration of their update, or insert statements and not for the entire transaction? Default isolation level is in effect in SQL Server. begin tran update table1 set column1 = 100 if @ERROR = 0 begin declare @stat int set @stat = (select stat from table2 where employeeid = 10) insert into table3 (col1, col2) values (@stat , 325) if @@ERROR = 0 commit tran else rollback tran end else roll back tran
1. I have dropped 10 tables with each around 1-2 gb in DB ABC 2. I had run DBCC ShrinkDatabase (ABC, 20) and it is failed after running 133 hours this morning. Yes, 133 hours.
It ran 72 hours last month and shrinked from 200 gb to 180 gb. Thus, I expected it should be <= 72 hours to fnish since 10 more tables are dropped ?
Msg 1205 Transaction (Process ID 75) was deadlocked on lock | communication buffer resources with another process and has been chosen as the deadlock victim. Rerun the transaction.
DBCC shrinkDatabase will cause deadlocking? how to avoid it? Is there other ways to speed up?
I was trying to extract data from the source server using OLEDB Source and SQL Server Destination when i encountered this error:
"Transaction (Process ID 135) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction.".
What must be done so that even if the table being queried is locked, i wouldn't experience any deadlock?
I am having this table locking issue that I need to start paying attention to as its getting more frequent.
The problem is that the data in the tables is live finance data that needs to be changed and viewed almost real time so what I have picked up so far is that using 'table Hints' may not be a good idea.
I have a guy at work telling me that introducing a data access layer is the only way to solve this, I am not convinced but havnt enough knowledge to back my own feeling up. (asp system not .net).
Error: The Script returned a failure result. Task SCR REIL Data failed
OnError - Task SQL Insert Error Msg Error: A deadlock was detected while trying to lock variable "System::ErrorCode, System::ErrorDescription, System::ExecutionInstanceGUID, System::StartTime, User::FEED_ID, User::t_ProcessedFiles" for read access. A lock could not be acquired after 16 attempts and timed out. Error: The expression ""EXEC [dbo].[us_sp_Insert_STG_FEED_EVENT_LOG] @FEED_ID= " + (DT_WSTR,10) @[User::FEED_ID] + ", @FEED_EVENT_LOG_TYPE_ID = 3, @STARTED_ON = '"+(DT_WSTR,30)@[System::StartTime] +"', @ENDED_ON = NULL, @message = 'Package failed. ErrorCode: "+(DT_WSTR,10)@[System::ErrorCode]+" ErrorMsg: "+@[System::ErrorDescription]+"', @FILES_PROCESSED = '" + @[User::t_ProcessedFiles] + "', @PKG_EXECUTION_ID = '" + @[System::ExecutionInstanceGUID] + "'"" on property "SqlStatementSource" cannot be evaluated. Modify the expression to be valid.
Warning: The Execution method succeeded, but the number of errors raised (4) reached the maximum allowed (1); resulting in failure. This occurs when the number of errors reaches the number specified in MaximumErrorCount. Change the MaximumErrorCount or fix the errors.
And how did I get 4 errors? - I only set my script task result to failure
Hi We are facing an acute situation in our web-application. Technology is ASP.NEt/VB.NET, SQL Server 2000.
Consider a scenario in which User 1 is clicking on a button which calls a SQL stored procedure. This procedure selects Group A of records of Database Page1.
At the same time if User 2 also clicks the same button which calls same SQL stored procedure. This procedure selects Group B of records of Database Page1.
So, its the same Page1 but different sets of records. At this moment, both the calls have shared locked on the Page1 inside the procedure.
Now, in call 1, inside the procedure after selecting Group A of records, the next statement is and update to those records. As soon as update statement executes, SQL Server throws a deadlock exception as follows :
Transaction (Process ID 78) was deadlocked on lock resources with another process and has been chosen as the deadlock victim. Rerun the transaction
We are able to understand why its happening. Its because, Group A and Group B of records are on the same Page1. But both the users have shared lock on the Page1. So, no one gets the exclusive lock in records for update, even though, the records are different.
How can I resolve this issue? How can I get lock on wanted rows instead of entire page?
Hi, I have set of 2 DTS packages, one of which calls the other by forming a command-line (dtexec) using a Execute Process task.
From the parent package-> Execute Process Task-> dtsexec /F etc... /<pkg variable> = "servername"
Each of the parent and the called package have a variable: "User::DWServerSQLInstance" which is mapped to the SQL server connection manager server name property using an expression. The outer package has the above variable and so does the inner called package (which gets assigned through the command line from the outerpackage call to inner)
I "sometimes" get the following error:
OnError,I4,TESTDOMAdministrator,ACDWAggregation,{A1F8E43F-15F1-4685-8C18-6866AB31E62B},{77B2F3C7-6756-46EB-8C01-D880598FB4B3},5/22/2006 5:10:28 PM,5/22/2006 5:10:28 PM,-1073659822,0x,The variable "User::DWServerSQLInstance" is already on the read list. A variable may only be added once to either the read lock list or the write lock list.
Help would be appreciated!
I have seen other posts on this but, not able to relate the solution to my scenario.
Package works fine when run from BIDS, DTExec, dtexecui. When I schedule it, It get these random errors. (See below)
The main culprit is a variable called "RecordsetFileDIR" which is set using an expression. (@[User::_ROOT] + "RecordSets\")
A number of other variables use this as part of their expression and as they all fail, pretty much everything dies.
I have installed SP1 (Not Beta) on server. Package uses config files to set the value of _ROOT.
The error does not always seem to be with this particular variable though. Always a variable that uses an expression but errors are random. Also, It will run 3 out of 10 times without a problem. I am the only person on the server at the time.
Any ideas?
Cheers,
Crispin
Error log:
OnError,,,POSBasketImport,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073659822,0x,The variable "User::RecordsetFileDIR" is already on the read list. A variable may only be added once to either the read lock list or the write lock list.
OnError,,,POSBasketImport,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073639420,0x,The expression for variable "rsHeaderFile" failed evaluation. There was an error in the expression.
OnError,,,DF_Header_Header,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636247,0x,Accessing variable "User::rsHeaderFile" failed with error code 0xC00470EA.
OnError,,,Move All Data,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636247,0x,Accessing variable "User::rsHeaderFile" failed with error code 0xC00470EA.
OnError,,,Load Open Batches and Process Files,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636247,0x,Accessing variable "User::rsHeaderFile" failed with error code 0xC00470EA.
OnError,,,POSBasketImport,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636247,0x,Accessing variable "User::rsHeaderFile" failed with error code 0xC00470EA.
OnError,,,DF_Header_Header,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636390,0x,The file name is not properly specified. Supply the path and name to the raw file either directly in the FileName property or by specifying a variable in the FileNameVariable property.
OnError,,,Move All Data,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636390,0x,The file name is not properly specified. Supply the path and name to the raw file either directly in the FileName property or by specifying a variable in the FileNameVariable property.
OnError,,,Load Open Batches and Process Files,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636390,0x,The file name is not properly specified. Supply the path and name to the raw file either directly in the FileName property or by specifying a variable in the FileNameVariable property.
OnError,,,POSBasketImport,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1071636390,0x,The file name is not properly specified. Supply the path and name to the raw file either directly in the FileName property or by specifying a variable in the FileNameVariable property.
OnError,,,DF_Header_Header,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073450901,0x,"component "rsHeader" (365)" failed validation and returned validation status "VS_ISBROKEN".
OnError,,,Move All Data,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073450901,0x,"component "rsHeader" (365)" failed validation and returned validation status "VS_ISBROKEN".
OnError,,,Load Open Batches and Process Files,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073450901,0x,"component "rsHeader" (365)" failed validation and returned validation status "VS_ISBROKEN".
OnError,,,POSBasketImport,,,10/05/2006 12:03:34,10/05/2006 12:03:34,-1073450901,0x,"component "rsHeader" (365)" failed validation and returned validation status "VS_ISBROKEN".
I'm getting this when executing the code below. Going from W2K/SQL2k SP4 to XP/SQL2k SP4 over a dial-up link.
If I take away the begin tran and commit it works, but of course, if one statement fails I want a rollback. I'm executing this from a Delphi app, but I get the same from Qry Analyser.
I've tried both with and without the Set XACT . . ., and also tried with Set Implicit_Transactions off.
set XACT_ABORT ON Begin distributed Tran update OPENDATASOURCE('SQLOLEDB','Data Source=10.10.10.171;User ID=*****;Password=****').TRANSFERSTN.TSADMIN.TRANSACTIONMAIN set REPFLAG = 0 where REPFLAG = 1 update TSADMIN.TRANSACTIONMAIN set REPFLAG = 0 where REPFLAG = 1 and DONE = 1 update OPENDATASOURCE('SQLOLEDB','Data Source=10.10.10.171;User ID=*****;Password=****').TRANSFERSTN.TSADMIN.WBENTRY set REPFLAG = 0 where REPFLAG = 1 update TSADMIN.WBENTRY set REPFLAG = 0 where REPFLAG = 1 update OPENDATASOURCE('SQLOLEDB','Data Source=10.10.10.171;User ID=*****;Password=****').TRANSFERSTN.TSADMIN.FIXED set REPFLAG = 0 where REPFLAG = 1 update TSADMIN.FIXED set REPFLAG = 0 where REPFLAG = 1 update OPENDATASOURCE('SQLOLEDB','Data Source=10.10.10.171;User ID=*****;Password=****').TRANSFERSTN.TSADMIN.ALTCHARGE set REPFLAG = 0 where REPFLAG = 1 update TSADMIN.ALTCHARGE set REPFLAG = 0 where REPFLAG = 1 update OPENDATASOURCE('SQLOLEDB','Data Source=10.10.10.171;User ID=*****;Password=****').TRANSFERSTN.TSADMIN.TSAUDIT set REPFLAG = 0 where REPFLAG = 1 update TSADMIN.TSAUDIT set REPFLAG = 0 where REPFLAG = 1 COMMIT TRAN
It's got me stumped, so any ideas gratefully received.Thx
I want to lock a table so others cannot lock it but able to read it inside transactions.
The coding I need is something like this: set implicit_transactions on begin transaction select * from table1 with (tablock, holdlock) update table2 set field1 = 'test' commit transaction commit transaction
I have tried the coding above, it won't prevent others from locking table1.
So, I changed the tablock to tablockx to prevent others from locking table1. But this will also prevent others from reading table1. So, how can I lock table1 so others cannot lock it but still able to read it?
I have a design a SSIS Package for ETL Process. In my package i have to read the data from the tables and then insert into the another table of same structure.
for reading the data i have write the Dynamic TSQL based on some condition and based on that it is using 25 different function to populate the data into different 25 column. Tsql returning correct data and is working fine in Enterprise manager. But in my SSIS package it show me time out ERROR.
I have increase and decrease the time to catch the error but it is still there i have tried to set 0 for commandout Properties.
if i'm using the 0 for commandtime out then i'm getting the Distributed transaction completed. Either enlist this session in a new transaction or the NULL transaction.
and
Failed to open a fastload rowset for "[dbo].[P@@#$%$%%%]". Check that the object exists in the database.
I am getting this error :Distributed transaction completed. Either enlist this session in a new transaction or the NULL transaction. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Data.OleDb.OleDbException: Distributed transaction completed. Either enlist this session in a new transaction or the NULL transaction.have anybody idea?!
i have a sequence container in my my sequence container i have a script task for drop the existing tables. This seq. container connected to another seq. container. all these are in for each loop container when i run the package it's work fine for 1st looop but it gives me error for second execution.
Message is like this:
Distributed transaction completed. Either enlist this session in a new transaction or the NULL transaction.
i am getting this error "Distributed transaction completed. Either enlist this session in a new transaction or the NULL transaction.".
my transations have been done using LINKED SERVER. when i manually call the store procedure from Server 1 it works but when i call it through Service broker it dosen't work and gives me this error.
I have Full database backup upto previous day and transaction logfile of Today transaction. my database has crashed. I have restored previous day's Full backup. I have faced difficulty to restore today's transaction from today's transaction log. What are the steps to restore full database back and one day's transaction log file. Note: there is no differential database backup and transaction backup.
I'm receiving the below error when trying to implement Execute SQL Task.
"The ROLLBACK TRANSACTION request has no corresponding BEGIN TRANSACTION." This error also happens on COMMIT as well and there is a preceding Execute SQL Task with BEGIN TRANSACTION tranname WITH MARK 'tran'
I know I can change the transaction option property from "supported" to "required" however I want to mark the transaction. I was copying the way Import/Export Wizard does it however I'm unable to figure out why it works and why mine doesn't work.
I created a Calculated measure in cube something like this : ([TransType].[TransTypeHierarchy].[TransTypeCategoryParent].&[SPEND],[Measures].[Transaction Amount]). To get only spend transactions. Now, I want to slice this measure with same hierarchy to find the amount distribution across different transaction types under spend transaction. But this query behaving like the measure doesn't have relation with measure.
you can think this as below query: WITH MEMBER SPEND AS ([TransType].[TransTypeHierarchy].[TransTypeCategoryParent].&[SPEND],[Measures].[Transaction Amount]) SELECT NON EMPTY {SPEND} ON 0 ,NON EMPTY ([TransType].[TransTypeHierarchy].[TransTypeCategoryParent]) ON 1 FROM [CUBE]
How do I make use of begin transaction and commit transaction in SSIS.
As am not able to commit changes due to certain update commands I want to explicitly write begin and commit statements. but when i make use of begin and commit in OLEDB commnad stage it throws an error as follows:
Hresult:0x80004005
descriptionyntax error or access violation.
its definately not an syntax error as i executed it in sql server. also when i use it in execute sql task out side the dataflow container it doesnt throw any error but still this task doesnt serve my purpose of saving/ commiting update chanages in the database.
I am having some problem with SSIS transaction. Eventhought I tried to imitate the concept that Jamie presented at http://www.sqlservercentral.com/columnists/jthomson/transactionsinsqlserver2005integrationservices.asp
. My workflow is as followed
********************************* For Each ADO.Record in Oracle (transaction=not supported)
If (Certain_Field_Value = 'A')
Lookup Data in SQL DB with values from Oracle (transaction=not supported)
DO Sequence A (Start a Transaction , transaction=required)
INSERT/UPDATE some records in SQLDB(transaction=supported) Finish Sequence A ( transaction should stop here) UPDATE Oracle DB ( Execute SQLTask, transaction=not supported) If (Certain_Field_Value = 'B')
Lookup Data in SQL DB with values from Oracle (transaction=not supported)
DO Sequence B (Start a Transaction , transaction = required)
INSERT/UPDATE some records in SQLDB (transaction=supported) Finish Sequence A ( transaction should stop here) UPDATE Oracle DB ( Execute SQLTask, transaction=not supported) If (Certain_Field_Value = 'C')
------------ ------------ End ForEach Loop ************************************* My requirements are that I want separate transaction for each Sequence A, B, C, etc... If Sequence A transaction fails, the other should still be continuing with another transaction. But I am getting an error regarding the OLEDB Error in next Task (e.g in Certain_Field_Value = 'B') "Lookup Data in SQL DB with values from Oracle ", the error message is ".......Distributed transaction completed. Either enlist this session in a new transaction or the NULL transaction. ". What is it that I am doing wrong? Regards KyawAM
Hello everyone,I have a web project where users access a aspx page to view information stored in an SQL database.My client want that one user can access a row of information and see it, all other users shouldn't be able to view or update the same row?it means whenever a row of data is displayed by some user, this row should be locked even for beeing viewed by all other users, when this user close this page, this row will be available. ?I should do this in code behind or something in sql...How can I do that???
An application we are designing is behaving rather strangely. Basically, we have a trigger on SQL 2000 on W2K Server watching for a record update. When that happens a stored procedure gets executed which in turn spawns a VB that extracts that record, applies some rules to it, and writes a text file to disk. 9 out of 10 times, this program will cause a CPU spin, and it can't be killed from the Task Manager.
I did not write the VB app, I am writing the front end for the application in ColdFusion, but I need some ideas on what might be causing such behavior and how can the problem can be diagnosed. Thanks for any help!
Is it good practice to use WITH (NO LOCK) on SELECT statements, ie SELECT * FROM MyTable WITH(NO LOCK) Or does the SQL Server optimiser automatically use WITH (NO LOCK) ?
Hi, i have a big problem , i work with sql 2000 on windows 2000. When user do a select against my database sqlserver lock all the table and nonoe can work. Haw can i change the isolation level for a ropw and for all the db. Thanks.
Wondering if anyone might have a guess about this.
I have a small 4 table DB. it's got several stored proc's and it's accessed through .NET to fill it in and get data from it.
It's been working just fine. But this morning, while it was doing its thing, I experimented with it by adding then deleting a View (through the View Wizard.)
Then later I started noticing that my .Net calls had slowed to a crawl (I hadn't made any code changes)and even making direct queries through Query Analyzer had slowed too.
My question is: being that there were no network issues, could the View create/delete have caused the DB to come to a halt or perhaps a table lock-up?
While I'm at it, is there anything that I can put in stored proc's or other places to prevent locking issues (if that's what happened here.)
I already use Begin/Commit Tran pairs.
And sorry if this post doesn't read like a SQL beginner, but believe me, I am.
I'm working with SQL Server Express, and I want to configure a named instance so that only the 'sa' user and a specified SQL Server user with a specified password have access. In particular, I'm trying to lock out BUILTINAdministrators. Furthermore, I need to be able to do this from a command-line, since I want to configure it in a script. Nothing I do seems to work.
I've attempted to use sqlcmd and the T-SQL call ALTER LOGIN [BUILTINAdministrators] DISABLE, but that returns the error "Cannot alter the login 'BUILTINAdministrators' because it does not exist or you do not have permission."
What I can (apparently) successfully do is run DENY CONTROL TO [BUILTINAdministrators]. This runs without reporting an error. However, after running it against the 'master' database and the specific database in my named instance I care about, I can still run the following:
sqlcmd -S (local)MyInstance -d MyDB -Q "select * from my_table"
and see the contents of my_table.
What do I need to do to restrict access exclusively to 'sa' and other SQL users I designate?
