Modifing Data In SQL

Jun 27, 2006

Hello, and sorry for the vauge title.

Basically, I am building a web application where people can enter in raffles. So I set up a SQL DataBase, where I have a table for each raffel going on. In each, I have a UserName collum, and a ID collum, the ID being the key collum. On my page, I basically have a TextBox and a Button.

I know I add a SqlDataSorce to the page, and use a INSERT command, however I am not sure how to parse this in a way to make it so that when you type your UserName into the TextBox, and then click the submit button, it will create a row using the UserName.

Thanks for the help!

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Modifing Queue Filegroup.

Dec 7, 2007

Hi,

I created several queues on the default filegroup and I was wondering how can I change a queue filegroup?

Thanks,
Shai.

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Sep 10, 2007

Can the column names be change in SQL Express.

I am amist of pulling my hair out here, I have got a scenerio of needing to be able to move data around, my first thought was to have two columns, one for the data and the other for the column name. Once getting into the manipulation of the data, it occurred. MUCH EASIER to modify the column name in the data table rather the data.

Is it possible from VB to change the name of the column in the database table?

Thanks Again
Davids Learning

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Jul 23, 2005

When a row gets modified and it invokes a trigger, we would like to beable to update the row that was modified inside the trigger. This is(basically) how we are doing it now:CREATE TRIGGER trTBL ON TBLFOR UPDATE, INSERT, DELETEasupdate TBLset fld = 'value'from inserted, TBLwhere inserted.id= TBL.id....This work fine but it seems like it could be optimized. Clearly we arehaving to scan the entire table again to update the row. But shouldn'tthe trigger already know which row invoked it. Do we have to scan thetable again for this row or is their some syntax that allows us toupdate the row that invoked the trigger. If not, why. It seems likethis would be a fairly common task. Thanks.

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Nov 24, 2006

Hi, all here,

Thank you very much for your kind attention.

I am wondering if it is possible to use SSIS to sample data set to training set and test set directly to my data mining models without saving them somewhere as occupying too much space? Really need guidance for that.

Thank you very much in advance for any help.

With best regards,

Yours sincerely,

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Dec 14, 2005

After testing out the application i write on the local pc. I deploy it to the webserver to test it out. I get this error.

System.Data.SqlClient.SqlException: The conversion of a char data type to a
datetime data type resulted in an out-of-range datetime value.

Notes: all pages that have this error either has a repeater or datagrid which load data when page loading.

At first I thought the problem is with the date, but then I can see
that some other pages that has datagrid ( that has a date field) work
just fine.

anyone having this problem before?? hopefully you guys can help.

Thanks,

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Dec 4, 2007

I have used both data readers and data adapters(with datasets) in the projects that I have worked on. I am trying to get some clarification on when I should be using which one. I think I am doing this correctly but I want to be sure I am developing good habits.

As the name might suggest, it seems like a datareader is for only reading data. I have read that the data adapter and dataset are for a disconnected architecture. Or, that they can be used for this type of set up. I have been using the data adapter and datasets when writing to a database and the datareader when reading from a database.

Is this how these should be used? Is the data reader the best choice for reading data? Am I doing this the optimal way from a performance stand point?

......................................................thanks in advance

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Nov 2, 2015

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When I enter over 4000 chars in any ntext field in my SQL Server 2005 database (directly in the database and through the application) I get an error saying that the data could not be updated because string or binary data would be truncated.Has anyone ever seen this? I cannot figure out what is causing it, ntext should be able to hold a lot more data that this...

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The warehouse use a daily copy of OLTP db (daily DB refresh). How can I accomplish this. Is there a downside in implementing CDC just for the sake of taking incremental changes on the tables?

Is there any performance impact if we enable CDC on OLTP db?

Can we make use of the CDC tables on the environment we do daily db refresh so that the queries don't hit OLTP database?

What is the best way to implement CDC to take incremental changes for reporting.

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Nov 10, 2015

I'm using Script Component to load data into Oracle DB due to the poor performance issue. Now, I found it will missing some data during the transmission. Please see the screenshot below:

SQL Server：
Oracle:
DDL:

create table Person
(
BusinessEntityID Integer,
FirstName nvarchar2(50),
MiddleName nvarchar2(50),
LastName nvarchar2(50)
);

Result:

I follow up this article: [URL] ....

VB Script:
Imports System
Imports System.Data
Imports System.Math
Imports Microsoft.SqlServer.Dts.Pipeline.Wrapper
Imports Microsoft.SqlServer.Dts.Runtime.Wrapper

[Code] ..........

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Apr 16, 2008

Hi all, i got this error:

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and also this:

[Excel Source [1]] Warning: The external metadata column collection is out of synchronization with the data source columns. The column "Fiscal Week" needs to be updated in the external metadata column collection. The column "Fiscal Year" needs to be updated in the external metadata column collection. The column "1st level" needs to be added to the external metadata column collection. The column "2nd level" needs to be added to the external metadata column collection. The column "3rd level" needs to be added to the external metadata column collection. The "external metadata column "1st Level" (16745)" needs to be removed from the external metadata column collection. The "external metadata column "3rd Level" (16609)" needs to be removed from the external metadata column collection. The "external metadata column "2nd Level" (16272)" needs to be removed from the external metadata column collection.

I tried going data flow->excel connection->advanced editor for excel source-> input and output properties and tried to refresh the columns affected.
It seems that somehow the 3 columns are not read in from the source file?
ans alslo fiscal year, fiscal week is not set up up properly in my data destination?
anyone faced such errors before?

Thanks

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Jul 24, 2015

When I execute the below stored procedure I get the error that "Arithmetic overflow error converting expression to data type int".

USE [FileSharing]
GO
/****** Object: StoredProcedure [dbo].[xlaAFSsp_reports] Script Date: 24.07.2015 17:04:10 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO

[Code] .....

Msg 8115, Level 16, State 2, Procedure xlaAFSsp_reports, Line 25
Arithmetic overflow error converting expression to data type int.
The statement has been terminated.
(1 row(s) affected)

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I am using windows authentication, I have created a username in windows, then i added the windows user in SQL management studio in security, granted "DB Read" and "DB write" and again under the database security tab. still from the web authentication fails. i must be nissing a step or two?

I expect to set up a username for each database as i setup new customers.

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Feb 23, 2008

RE: XML Data source .. Expression? Variable? Connection? Error: unable to read the XML data.

I want my XML Data source to be an expression as i will be looping through a directory of xml files.

I don't see the expression property or the connection property??

I tried setting the XMLData property to @[User::filename], but that results in:

Information: 0x40043006 at Load XML Files, DTS.Pipeline: Prepare for Execute phase is beginning.
Error: 0xC02090D0 at Load XML Files, XML Source [108]: The component "XML Source" (108) was unable to read the XML data.
Error: 0xC0047019 at Load XML Files, DTS.Pipeline: component "XML Source" (108) failed the prepare phase and returned error code 0xC02090D0.
Information: 0x4004300B at Load XML Files, DTS.Pipeline: "component "OLE DB Destination" (341)" wrote 0 rows.
Task failed: Load XML Files
Information: 0xC002F30E at Bad, File System Task: File or directory "d:jcpxmlLoadjcp2.xml.bad" was deleted.
Warning: 0x80019002 at Package: The Execution method succeeded, but the number of errors raised (2) 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.
SSIS package "Package.dtsx" finished: Failure.
The program '[3312] Package.dtsx: DTS' has exited with code 0 (0x0).

Thanks for any help or information.

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Feb 12, 2008

Hello,

I am wondering what conversion rules apply, when a string, which contains a number, is saved to a SQL Server 2005 into a column of type decimal.

This is the code I��m using (C++):

CString cValue = "0.75"
_variant_t vtFieldValue;
vtFieldValue = _variant_t(cValue)
pRecordSet->Fields->Item["MyColumn"]->Value = vtFieldValue;

"pRecordSet" is an ADO recordset. The database column "MyColumn" is of type "decimal(19,10)".

The most important question for me is, if the regional settings of the database server or the regional settings of the client PC are considered during the conversion from the string to the decimal value. For example in standard French regional settings the "." would not be recognized as decimal separator.

I am also wondering if the language of the database instance, in which this data is saved, is considered during this conversion or any other settings of this database instance.

So my general question is: Does anybody know exactly what rules apply during the above mentioned conversion?

Thank you for your help.

Regards,
Volker

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Hello,

I have noticed that for one of my data-flows, the process is really long during the phase "the final commit data insertion has started".

To be accurate, the process is fast until it reaches this phase. It happens often when I load millions of lines.

The extraction is done from a database SQL Server 2005 to a database SQL Server 2005, on the same server (with the SQL Server native provider).

I used a SQL Server destination but I have tried with an OLE DB destination and it is the same situation.

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So here is the DDL, sample data, and the ideal return rows

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(
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[Code] ....

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Original data in a varchar(30) column:
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thisisanothervalue
thisisanothervalueagain
shortval

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xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

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