Does anybody knows How does the rollback data stored in SQL 2005?
For example I am inserting 100 new rows into a table, so how does SQL keeps track of them as new rows which are yet to be committed?
Internally does SQL has any indexing to recognise the data which is not yet committed? Can we also write some queries on the table which will fetch us the non-committed insertions on the table?
If you have any clue about how does SQL 2005 handles this Rollback/Commit functions internally pls explain.
I don't specify the following statements in SP. begin transaction commit transaction rollback
In sp, there are a lot of insert and update. If i execute SP and stop it in half way. will it rollback all update and insert statement? also, will it rollback if it fails?
Hi all, I have a program that needs to delete records, then re-insert new records to a table. But I need to rollback the transaction IF the insert is not success (error occured). The delete and insert are in 2 difference stored procedure (which have rollback transaction) that calling from 1 stored procedure. My problem is that if Insert is not successful, but the records already deleted previously. How can we rollback the delete transaction when insert is not successful? Note: if possible, I don't want to delete the records AFTER the insert is successful, or create a temp table to stored the deleted records ======================================= create stored procedure combine_sp as begin call delete_sp -- have rollback transaction in the delete_sp -- what to do if following has error occured, but we already deleted the records above? call insert_sp -- have rollback transaction in the insert_sp end go ======================================= Thanks a lot.
I need to execute 10 stored procedures one after the other in a sequence,but need to roll back if any one of them fails and discontinue further execution.Example: if sp#3 fails it should roll back alll the changes made by sp# 1 and sp# 2 and also should not continue executing the rest of them. Any ideas? Thanks.
begin try declare @param2 int begin transaction exec proc2 @param2 commit transaction end try begin catch if @@trancount > 0 rollback transaction end catch
i haven't had an opportunity to do this before. I have nested stored proc and both inserts values into different tables. To maintain atomicity i want to be able to rollback everything if an error occurs in the inner or outer stored procedure.
In general as understand if we have a stored procedure that does operations like inserts or updates, it makes perfect sense to use a rollback operation within a transaction.
So, if something goes wrong and the transaction does not complete, all changes will be reverted and an error description will be thrown for example.
Nevertheless, does using a rollback within a try catch statement, make sense in a read only stored procedure, that practically executes some dynamic sql just to select data from some tables?
I have around 100 Stored procedures, all of them read only. Today a colleague suggested adding try-catch blocks with rollback to all of them. But since they are just selecting data, I don't see a clear benefit of doing so, compared to the hassle of changing such a big number of SP's.
I am using sql2k5. I just wanted to throw an error from stored procedure with some message to C# to rollback my transaction. Here is how i wnated to do ( in sequence )
C# ===== Open a connection Begin the transaction Execute the command
In the Stored Proc =========== do multiple operations one by one if error stop processing further Throw the error C# ======== if exception rollback the transaction else commit the transaction
I have tried using raise error in stored proc but never thrown exception
Can any one let me know how to achieve this scenario??
Now the Category_Product is changed. But i need to Rollback the Updated statement execution. So that only changed "prod1" can be replace with orginal value "prod4"
Can any one help me to get back the original data by writing query
Does SQL Server 2005 Express support rollbacks? For example: BEGIN; UPDATE CustomerSET LastName = 'Jones'; ROLLBACK; The ROLLBACK will undo/reverse the changes made by the UPDATE befor a COMMIT is executed.
I am working on reformating, cleaning, adding derived elements, etc... on data with no data validity checks on the front-end, source data. Its an incremental process where each month I add new data to the prior months' history. Sometimes the new monthly source data "surprises" me -- different values, different data definitons, etc. than expected.
I deal with these surprises by accumulating the fields/values that are unexpected after converting them to varchar with some explanatory language into a table [program_newdataprobs]
If there are any records in [program_newdataproblem] I rollback the transactions so the prior months' history remains unaltered. The problem is I then "lose" the contents of [program_newdataproblem] which I would like to hand to the source data people to troubleshoot.
I have tried the following:
Begin Transaction tran1
.... code that reformats data here if (select count(*) from program_newdataproblem)>0
BEGIN
Begin Transaction tran2
select * into #t1 from program_newdataproblem
Commit Transaction tran2
Rollback Transaction tran1
insert into program_newdataproblem Select * from #t1
END
This bombs because because #t1 no longer exits
Any way I can "keep" the data from program_newdataproblem when I Rollback the other transactions? (without having to store the history in separate tables that I can then access if new data errors occur)
I am having a application in which from the front end i am saving details of three different things
i.Enquiry Details
ii.Parts Details
iii.Machine details
i am saving the Enquiry detail in a data table,Parts Details in a data table and machine detail in a data table and finally i am adding the three data tables into a single data set and passing the data set to data access layer there i have three insert command one for each data table in my case the enquiry data table will be saved first and then the next two details will be saved and i am saving the details in three different tables in the database, my problem is some times the enquiry details will save to the database and while saving the Parts details there may be some exception and i will throw an exception in that case the enquiry details will be saved and the remaining two details are not saved(Which are also part of the same Transaction).I wanted to know about how to call the transaction function in case of Data Access Layer.
How to pass a XML data parameter to an SQL 2005 Stored Procedure I hope to insert a xml data into an typed xml column in SQL 2005. 1. I can run the Code 1 correctly. 2. I hope that I can pass a XML data parameter to an SQL 2005 Stored Procedure, So create the Code 2. but I get the error below:XQuery [cw_bookmark.Bookmark.modify()]: Only non-document nodes can be inserted. Found "xs:string ?". 3. I create the Code 3, but I get the error below:XQuery [cw_bookmark.Bookmark.modify()]: ',' or ')' expected 4. I create the Code 4, but I get the error below:XQuery: SQL type 'xml' is not supported in XQuery.
//--------------------------Code 1-------------------------------------create procedure Hellocw_InsertBookmark40@userId varchar(80)='61809B69-4AD5-40E4-B456-D957C78DD99E',@Id varchar(80)='a6dce8fe-749c-4e38-ab2f-3d03d9711b3d',asupdate cw_bookmark set Bookmark.modify('declare namespace x="http://www.hellocw.com/onlinebookmark";insert <x:Bookmark Id="ghdce3ak-456c-4e38-ab2f-5h02d9711b67" Title="cw" Url="kk" Description="Thte" InputDate="2004-08-12" IsPrivate="false"></x:Bookmark>as first into (//x:*[@Id=sql:variable("@Id")])[1]')where userId=@userId//--------------------------Code 1------------------------------------- //--------------------------Code 2-------------------------------------create procedure Hellocw_InsertBookmark41@userId varchar(80)='61809B69-4AD5-40E4-B456-D957C78DD99E',@Id varchar(80)='a6dce8fe-749c-4e38-ab2f-3d03d9711b3d',@Insertxml varchar(80)='<x:Bookmark Id="ghdce3ak-456c-4e38-ab2f-5h02d9711b67" Title="cw" Url="kk" Description="Thte" InputDate="2004-08-12" IsPrivate="false"></x:Bookmark>'asupdate cw_bookmark set Bookmark.modify('declare namespace x="http://www.hellocw.com/onlinebookmark";insert sql:variable("@Insertxml")as first into (//x:*[@Id=sql:variable("@Id")])[1]')where userId=@userId//--------------------------Code 2------------------------------------- //--------------------------Code 3-------------------------------------create procedure Hellocw_InsertBookmark41@userId varchar(80)='61809B69-4AD5-40E4-B456-D957C78DD99E',@Id varchar(80)='a6dce8fe-749c-4e38-ab2f-3d03d9711b3d',@Insertxml varchar(80)='<x:Bookmark Id="ghdce3ak-456c-4e38-ab2f-5h02d9711b67" Title="cw" Url="kk" Description="Thte" InputDate="2004-08-12" IsPrivate="false"></x:Bookmark>'asupdate cw_bookmark set Bookmark.modify('declare namespace x="http://www.hellocw.com/onlinebookmark";insert cast(sql:variable("@Insertxml") as xml)as first into (//x:*[@Id=sql:variable("@Id")])[1]')where userId=@userId//--------------------------Code 3------------------------------------- //--------------------------Code 4-------------------------------------create procedure Hellocw_InsertBookmark41@userId varchar(80)='61809B69-4AD5-40E4-B456-D957C78DD99E',@Id varchar(80)='a6dce8fe-749c-4e38-ab2f-3d03d9711b3d',@Insertxml xmlasupdate cw_bookmark set Bookmark.modify('declare namespace x="http://www.hellocw.com/onlinebookmark";insert sql:variable("@Insertxml")as first into (//x:*[@Id=sql:variable("@Id")])[1]')where userId=@userId //--------------------------Code 4-------------------------------------
I want to retrieve SQL 2000 Encrypted Column Data From SQL 2005 strored proc. My Stored Procedure was on SQL 2000 and it works fine....Then I restore Database From SQL 2000 to SQL 2005. The Following Statement is on my store proce.
select user_id , Encrypt(user_pass) from OpenRowset('SQLOLEDB','myserver';'sa';'mypass',databasename.dbo.users) as a
The Following Error I get When I execute the above statement.
Msg 195, Level 15, State 10, Line 1
'Encrypt' is not a recognized built-in function name.
Hello All Just wondered if someone could help me with a bit of T-SQL, i have a application in ASP.NET/VB that allows the user to update a message board by clicking a button "update" this in turn triggers my Stored Procedure for inserting this data into a table, which works great. It inserts the data into its respective fields and also takes The Title, Line 1, Line 2 and so on and creates a XML file (Using FOR XML) which is stored in the same Table under a column call XML_Data. Which again works great. My problem now is how do i output this XML_Data to an actual XML file that is on my local machine, i.e. It be created in say C:Inetpubwwwrootxmlfiles("xml file name inserted here from another column that holds xml file name").xml Any help on this would be greatfully apreciated Thanks In Advance Neil
Hello, since a couple of days I'm fighting with RS 2005 and the Stored Procedure.
I have to display the result of a parameterized query and I created a SP that based in the parameter does something:
SET ANSI_NULLS ON SET QUOTED_IDENTIFIER ON CREATE PROCEDURE [schema].[spCreateReportTest] @Name nvarchar(20)= ''
AS BEGIN
declare @slqSelectQuery nvarchar(MAX);
SET NOCOUNT ON set @slqSelectQuery = N'SELECT field1,field2,field3 from table' if (@Name <> '') begin set @slqSelectQuery = @slqSelectQuery + ' where field2=''' + @Name + '''' end EXEC sp_executesql @slqSelectQuery end
Inside my business Intelligence Project I created: -the shared data source with the connection String - a data set : CommandType = Stored Procedure Query String = schema.spCreateReportTest When I run the Query by mean of the "!" icon, the parameter is Prompted and based on the value I provide the proper result set is displayed.
Now I move to "Layout" and my undertanding is that I have to create a report Paramater which values is passed to the SP's parameter... So inside"Layout" tab, I added the parameter: Name allow blank value is checked and is non-queried
the problem is that when I move to Preview -> I set the value into the parameter field automatically created but when I click on "View Report" nothing has been generated!!
Hi all, From the "How to Call a Parameterized Stored Procedure by Using ADO.NET and Visual Basic.NET" in http://support.microsft.com/kb/308049, I copied the following code to a project "pubsTestProc1.vb" of my VB 2005 Express Windows Application:
Imports System.Data
Imports System.Data.SqlClient
Imports System.Data.SqlDbType
Public Class Form1
Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
Dim PubsConn As SqlConnection = New SqlConnection("Data Source=.SQLEXPRESS;integrated security=sspi;" & "initial Catalog=pubs;")
Dim testCMD As SqlCommand = New SqlCommand("TestProcedure", PubsConn)
testCMD.CommandType = CommandType.StoredProcedure
Dim RetValue As SqlParameter = testCMD.Parameters.Add("RetValue", SqlDbType.Int)
Console.WriteLine("Number of Records: " & (NumTitles.Value))
End Sub
End Class
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// The original article uses the code statements in pink for the Console Applcation of VB.NET. I do not know how to print out the output of ("Book Titles for this Author:"), ("{0}", myReader.GetString(2)), ("Return Value: " & (RetValue.Value)) and ("Number of Records: " & (NumTitles.Value)) in the Windows Application Form1 of my VB 2005 Express. Please help and advise.
I have a problem regarding forwarding 'n number of parameters' from Visual Studio 2005 using VB to SQL-Server 2005 stored procedure.I have to save N number of rows in my stored procedure as a transaction. If all rows are not saved successfully, I have to roll-back else update some other table also after that. I am unable to handle - How to send variable number of parameters from Visual Stduio to Sql - Server ? My requirement is to use the SQL-Stored Procedure to store all the rows in the base table and related tables and then update one another table based on the updations done. Please Help .....
I'm having some problems debugging SQL Server stored procedures on a SQL Server 2005 server. I have installed Visual Studio 2005 on a workstation running Windows XP, now I'm trying to debug a ASP.Net web application that has some code that executes the stored procedures on a Windows 2003 Server running SQL Server 2005.
I opened VS2005 ... created a connection to the SQL Server 2005 instance ... open the Stored procedure ... right click the stored procedure name and selected Step into Stored Procedure and the following message is displayed:
Unable to start T-SQL debugging.Could not attach to SQL Server process on 'ServerName'.
Hi, I want to get data from Oracle 10g Stored procedure to Reporting Services 2005. I could pass a SQL text and get a record set, but I want to execute a store proc and get the record set.
1. Add New Data Source 2. Choose Type : Oracle and connection tested OK 3. { call Test_Package.Test_Procedure(?) } is it wrong... how to write??? There is an error in the query. ORA-00911: invalid character
Also make sure that you use the text-based generic query designer (2 panes !) instead of the visual query designer (4 panes) - you can switch between them through an icon on the toolbar in the data view of report designer. Question : I tried many methods but unable to solve it...
create or replace PACKAGE Test_Package AS TYPE Test_Type IS REF CURSOR RETURN Test_Table%ROWTYPE; END Test_Package;
create or replace PROCEDURE Test_Procedure ( Test_Cursor IN OUT Test_Package.Test_Type, Test_Parameter IN Test_Table.ID%TYPE ) AS BEGIN OPEN Test_Cursor FOR SELECT * FROM Test_Table WHERE Test_Table.ID >= Test_Parameter; END Test_Procedure;
The below site gave some example but i could not solve it... any suggestions greatly appreciated...
Hello experts, I made a huge mistake on a production server, ran an update without the WHERE clause. UPDATE myTableSET Field1 = 'SOmetext',Field2 = 'sometext2'Is there a way to rollback? I read something a while ago about transaction logs.SOS!Thanks
HI, Suppose I execute any transaction say inserted some rows. I want to delete my previous transaction using rollback. What is the proper syntax for that. In Query Window: Insert ---------- executed rollback. it was asking for name of the transaction. How to give that. Help me out Thanks Bye
This is my stored procedure. Problem is that a rollback does not happen when there is an error ? How can this be, am starting and ending the transaction?
I have rollback on one of the users. I tried killing her process through Enterprise Manager and Query Analyzer, but I still can see her process on the screen. However, her login is grayed out after I execute the kill query.
I have encountered this problem several times, and the only way I can get clear the rollback is by rebooting the server.
Does anyone have a sugeestion on how to clear the rollback without rebooting.
Hi All A question on DTS ROLLBACK CAPABILITY. Is it possible to setup a DTS pkg to roll back the loaded files if a step fails? If a step fail records inserted by Data Pump to a table should be removed. Is this possible? If so how can we achieve this?
